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platform_system_core
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Merge "Clean up memset[16,32] routines: unify files names, remove redundant wrapper for 32-bit, remove Atom caches sizes for 64-bit, fix license."

This commit is contained in:
Elliott Hughes 2014-09-18 03:02:05 +00:00 committed by Gerrit Code Review
parent 8d35442b18 458d1253f5
commit 32e2f1be03
9 changed files with 1209 additions and 1275 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libcutils/Android.mk
View File

@ -140,8 +140,8 @@ LOCAL_SRC_FILES_x86 += \
arch-x86/android_memset32.S \
LOCAL_SRC_FILES_x86_64 += \
arch-x86_64/android_memset16_SSE2-atom.S \
arch-x86_64/android_memset32_SSE2-atom.S \
arch-x86_64/android_memset16.S \
arch-x86_64/android_memset32.S \
LOCAL_CFLAGS_arm += -DHAVE_MEMSET16 -DHAVE_MEMSET32
LOCAL_CFLAGS_arm64 += -DHAVE_MEMSET16 -DHAVE_MEMSET32

710
libcutils/arch-x86/android_memset16.S Normal file → Executable file
View File

@ -13,13 +13,707 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Contributed by: Intel Corporation
*/
# include "cache_wrapper.S"
# undef __i686
# define USE_AS_ANDROID
# define sse2_memset16_atom android_memset16
# include "sse2-memset16-atom.S"
#include "cache.h"
#ifndef MEMSET
# define MEMSET android_memset16
#endif
#ifndef L
# define L(label) .L##label
#endif
#ifndef ALIGN
# define ALIGN(n) .p2align n
#endif
#ifndef cfi_startproc
# define cfi_startproc .cfi_startproc
#endif
#ifndef cfi_endproc
# define cfi_endproc .cfi_endproc
#endif
#ifndef cfi_rel_offset
# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
#endif
#ifndef cfi_restore
# define cfi_restore(reg) .cfi_restore reg
#endif
#ifndef cfi_adjust_cfa_offset
# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
#endif
#ifndef ENTRY
# define ENTRY(name) \
.type name, @function; \
.globl name; \
.p2align 4; \
name: \
cfi_startproc
#endif
#ifndef END
# define END(name) \
cfi_endproc; \
.size name, .-name
#endif
#define CFI_PUSH(REG) \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (REG, 0)
#define CFI_POP(REG) \
cfi_adjust_cfa_offset (-4); \
cfi_restore (REG)
#define PUSH(REG) pushl REG; CFI_PUSH (REG)
#define POP(REG) popl REG; CFI_POP (REG)
#ifdef USE_AS_BZERO16
# define DEST PARMS
# define LEN DEST+4
# define SETRTNVAL
#else
# define DEST PARMS
# define CHR DEST+4
# define LEN CHR+4
# define SETRTNVAL movl DEST(%esp), %eax
#endif
#if (defined SHARED || defined __PIC__)
# define ENTRANCE PUSH (%ebx);
# define RETURN_END POP (%ebx); ret
# define RETURN RETURN_END; CFI_PUSH (%ebx)
# define PARMS 8 /* Preserve EBX. */
# define JMPTBL(I, B) I - B
/* Load an entry in a jump table into EBX and branch to it. TABLE is a
jump table with relative offsets. */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE) \
/* We first load PC into EBX. */ \
call __x86.get_pc_thunk.bx; \
/* Get the address of the jump table. */ \
add $(TABLE - .), %ebx; \
/* Get the entry and convert the relative offset to the \
absolute address. */ \
add (%ebx,%ecx,4), %ebx; \
/* We loaded the jump table and adjuested EDX. Go. */ \
jmp *%ebx
.section .gnu.linkonce.t.__x86.get_pc_thunk.bx,"ax",@progbits
.globl __x86.get_pc_thunk.bx
.hidden __x86.get_pc_thunk.bx
ALIGN (4)
.type __x86.get_pc_thunk.bx,@function
__x86.get_pc_thunk.bx:
movl (%esp), %ebx
ret
#else
# define ENTRANCE
# define RETURN_END ret
# define RETURN RETURN_END
# define PARMS 4
# define JMPTBL(I, B) I
/* Branch to an entry in a jump table. TABLE is a jump table with
absolute offsets. */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE) \
jmp *TABLE(,%ecx,4)
#endif
.section .text.sse2,"ax",@progbits
ALIGN (4)
ENTRY (MEMSET)
ENTRANCE
movl LEN(%esp), %ecx
shr $1, %ecx
#ifdef USE_AS_BZERO16
xor %eax, %eax
#else
movzwl CHR(%esp), %eax
mov %eax, %edx
shl $16, %eax
or %edx, %eax
#endif
movl DEST(%esp), %edx
cmp $32, %ecx
jae L(32wordsormore)
L(write_less32words):
lea (%edx, %ecx, 2), %edx
BRANCH_TO_JMPTBL_ENTRY (L(table_less32words))
.pushsection .rodata.sse2,"a",@progbits
ALIGN (2)
L(table_less32words):
.int JMPTBL (L(write_0words), L(table_less32words))
.int JMPTBL (L(write_1words), L(table_less32words))
.int JMPTBL (L(write_2words), L(table_less32words))
.int JMPTBL (L(write_3words), L(table_less32words))
.int JMPTBL (L(write_4words), L(table_less32words))
.int JMPTBL (L(write_5words), L(table_less32words))
.int JMPTBL (L(write_6words), L(table_less32words))
.int JMPTBL (L(write_7words), L(table_less32words))
.int JMPTBL (L(write_8words), L(table_less32words))
.int JMPTBL (L(write_9words), L(table_less32words))
.int JMPTBL (L(write_10words), L(table_less32words))
.int JMPTBL (L(write_11words), L(table_less32words))
.int JMPTBL (L(write_12words), L(table_less32words))
.int JMPTBL (L(write_13words), L(table_less32words))
.int JMPTBL (L(write_14words), L(table_less32words))
.int JMPTBL (L(write_15words), L(table_less32words))
.int JMPTBL (L(write_16words), L(table_less32words))
.int JMPTBL (L(write_17words), L(table_less32words))
.int JMPTBL (L(write_18words), L(table_less32words))
.int JMPTBL (L(write_19words), L(table_less32words))
.int JMPTBL (L(write_20words), L(table_less32words))
.int JMPTBL (L(write_21words), L(table_less32words))
.int JMPTBL (L(write_22words), L(table_less32words))
.int JMPTBL (L(write_23words), L(table_less32words))
.int JMPTBL (L(write_24words), L(table_less32words))
.int JMPTBL (L(write_25words), L(table_less32words))
.int JMPTBL (L(write_26words), L(table_less32words))
.int JMPTBL (L(write_27words), L(table_less32words))
.int JMPTBL (L(write_28words), L(table_less32words))
.int JMPTBL (L(write_29words), L(table_less32words))
.int JMPTBL (L(write_30words), L(table_less32words))
.int JMPTBL (L(write_31words), L(table_less32words))
.popsection
ALIGN (4)
L(write_28words):
movl %eax, -56(%edx)
movl %eax, -52(%edx)
L(write_24words):
movl %eax, -48(%edx)
movl %eax, -44(%edx)
L(write_20words):
movl %eax, -40(%edx)
movl %eax, -36(%edx)
L(write_16words):
movl %eax, -32(%edx)
movl %eax, -28(%edx)
L(write_12words):
movl %eax, -24(%edx)
movl %eax, -20(%edx)
L(write_8words):
movl %eax, -16(%edx)
movl %eax, -12(%edx)
L(write_4words):
movl %eax, -8(%edx)
movl %eax, -4(%edx)
L(write_0words):
SETRTNVAL
RETURN
ALIGN (4)
L(write_29words):
movl %eax, -58(%edx)
movl %eax, -54(%edx)
L(write_25words):
movl %eax, -50(%edx)
movl %eax, -46(%edx)
L(write_21words):
movl %eax, -42(%edx)
movl %eax, -38(%edx)
L(write_17words):
movl %eax, -34(%edx)
movl %eax, -30(%edx)
L(write_13words):
movl %eax, -26(%edx)
movl %eax, -22(%edx)
L(write_9words):
movl %eax, -18(%edx)
movl %eax, -14(%edx)
L(write_5words):
movl %eax, -10(%edx)
movl %eax, -6(%edx)
L(write_1words):
mov %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(write_30words):
movl %eax, -60(%edx)
movl %eax, -56(%edx)
L(write_26words):
movl %eax, -52(%edx)
movl %eax, -48(%edx)
L(write_22words):
movl %eax, -44(%edx)
movl %eax, -40(%edx)
L(write_18words):
movl %eax, -36(%edx)
movl %eax, -32(%edx)
L(write_14words):
movl %eax, -28(%edx)
movl %eax, -24(%edx)
L(write_10words):
movl %eax, -20(%edx)
movl %eax, -16(%edx)
L(write_6words):
movl %eax, -12(%edx)
movl %eax, -8(%edx)
L(write_2words):
movl %eax, -4(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(write_31words):
movl %eax, -62(%edx)
movl %eax, -58(%edx)
L(write_27words):
movl %eax, -54(%edx)
movl %eax, -50(%edx)
L(write_23words):
movl %eax, -46(%edx)
movl %eax, -42(%edx)
L(write_19words):
movl %eax, -38(%edx)
movl %eax, -34(%edx)
L(write_15words):
movl %eax, -30(%edx)
movl %eax, -26(%edx)
L(write_11words):
movl %eax, -22(%edx)
movl %eax, -18(%edx)
L(write_7words):
movl %eax, -14(%edx)
movl %eax, -10(%edx)
L(write_3words):
movl %eax, -6(%edx)
movw %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(32wordsormore):
shl $1, %ecx
test $0x01, %edx
jz L(aligned2bytes)
mov %eax, (%edx)
mov %eax, -4(%edx, %ecx)
sub $2, %ecx
add $1, %edx
rol $8, %eax
L(aligned2bytes):
#ifdef USE_AS_BZERO16
pxor %xmm0, %xmm0
#else
movd %eax, %xmm0
pshufd $0, %xmm0, %xmm0
#endif
testl $0xf, %edx
jz L(aligned_16)
/* ECX > 32 and EDX is not 16 byte aligned. */
L(not_aligned_16):
movdqu %xmm0, (%edx)
movl %edx, %eax
and $-16, %edx
add $16, %edx
sub %edx, %eax
add %eax, %ecx
movd %xmm0, %eax
ALIGN (4)
L(aligned_16):
cmp $128, %ecx
jae L(128bytesormore)
L(aligned_16_less128bytes):
add %ecx, %edx
shr $1, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
ALIGN (4)
L(128bytesormore):
#ifdef SHARED_CACHE_SIZE
PUSH (%ebx)
mov $SHARED_CACHE_SIZE, %ebx
#else
# if (defined SHARED || defined __PIC__)
call __x86.get_pc_thunk.bx
add $_GLOBAL_OFFSET_TABLE_, %ebx
mov __x86_shared_cache_size@GOTOFF(%ebx), %ebx
# else
PUSH (%ebx)
mov __x86_shared_cache_size, %ebx
# endif
#endif
cmp %ebx, %ecx
jae L(128bytesormore_nt_start)
#ifdef DATA_CACHE_SIZE
POP (%ebx)
# define RESTORE_EBX_STATE CFI_PUSH (%ebx)
cmp $DATA_CACHE_SIZE, %ecx
#else
# if (defined SHARED || defined __PIC__)
# define RESTORE_EBX_STATE
call __x86.get_pc_thunk.bx
add $_GLOBAL_OFFSET_TABLE_, %ebx
cmp __x86_data_cache_size@GOTOFF(%ebx), %ecx
# else
POP (%ebx)
# define RESTORE_EBX_STATE CFI_PUSH (%ebx)
cmp __x86_data_cache_size, %ecx
# endif
#endif
jae L(128bytes_L2_normal)
subl $128, %ecx
L(128bytesormore_normal):
sub $128, %ecx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
lea 128(%edx), %edx
jb L(128bytesless_normal)
sub $128, %ecx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
lea 128(%edx), %edx
jae L(128bytesormore_normal)
L(128bytesless_normal):
lea 128(%ecx), %ecx
add %ecx, %edx
shr $1, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
ALIGN (4)
L(128bytes_L2_normal):
prefetcht0 0x380(%edx)
prefetcht0 0x3c0(%edx)
sub $128, %ecx
movdqa %xmm0, (%edx)
movaps %xmm0, 0x10(%edx)
movaps %xmm0, 0x20(%edx)
movaps %xmm0, 0x30(%edx)
movaps %xmm0, 0x40(%edx)
movaps %xmm0, 0x50(%edx)
movaps %xmm0, 0x60(%edx)
movaps %xmm0, 0x70(%edx)
add $128, %edx
cmp $128, %ecx
jae L(128bytes_L2_normal)
L(128bytesless_L2_normal):
add %ecx, %edx
shr $1, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
RESTORE_EBX_STATE
L(128bytesormore_nt_start):
sub %ebx, %ecx
mov %ebx, %eax
and $0x7f, %eax
add %eax, %ecx
movd %xmm0, %eax
ALIGN (4)
L(128bytesormore_shared_cache_loop):
prefetcht0 0x3c0(%edx)
prefetcht0 0x380(%edx)
sub $0x80, %ebx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
add $0x80, %edx
cmp $0x80, %ebx
jae L(128bytesormore_shared_cache_loop)
cmp $0x80, %ecx
jb L(shared_cache_loop_end)
ALIGN (4)
L(128bytesormore_nt):
sub $0x80, %ecx
movntdq %xmm0, (%edx)
movntdq %xmm0, 0x10(%edx)
movntdq %xmm0, 0x20(%edx)
movntdq %xmm0, 0x30(%edx)
movntdq %xmm0, 0x40(%edx)
movntdq %xmm0, 0x50(%edx)
movntdq %xmm0, 0x60(%edx)
movntdq %xmm0, 0x70(%edx)
add $0x80, %edx
cmp $0x80, %ecx
jae L(128bytesormore_nt)
sfence
L(shared_cache_loop_end):
#if defined DATA_CACHE_SIZE || !(defined SHARED || defined __PIC__)
POP (%ebx)
#endif
add %ecx, %edx
shr $1, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
.pushsection .rodata.sse2,"a",@progbits
ALIGN (2)
L(table_16_128bytes):
.int JMPTBL (L(aligned_16_0bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_2bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_4bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_6bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_8bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_10bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_12bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_14bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_16bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_18bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_20bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_22bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_24bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_26bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_28bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_30bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_32bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_34bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_36bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_38bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_40bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_42bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_44bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_46bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_48bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_50bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_52bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_54bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_56bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_58bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_60bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_62bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_64bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_66bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_68bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_70bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_72bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_74bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_76bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_78bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_80bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_82bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_84bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_86bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_88bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_90bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_92bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_94bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_96bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_98bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_100bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_102bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_104bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_106bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_108bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_110bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_112bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_114bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_116bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_118bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_120bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_122bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_124bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_126bytes), L(table_16_128bytes))
.popsection
ALIGN (4)
L(aligned_16_112bytes):
movdqa %xmm0, -112(%edx)
L(aligned_16_96bytes):
movdqa %xmm0, -96(%edx)
L(aligned_16_80bytes):
movdqa %xmm0, -80(%edx)
L(aligned_16_64bytes):
movdqa %xmm0, -64(%edx)
L(aligned_16_48bytes):
movdqa %xmm0, -48(%edx)
L(aligned_16_32bytes):
movdqa %xmm0, -32(%edx)
L(aligned_16_16bytes):
movdqa %xmm0, -16(%edx)
L(aligned_16_0bytes):
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_114bytes):
movdqa %xmm0, -114(%edx)
L(aligned_16_98bytes):
movdqa %xmm0, -98(%edx)
L(aligned_16_82bytes):
movdqa %xmm0, -82(%edx)
L(aligned_16_66bytes):
movdqa %xmm0, -66(%edx)
L(aligned_16_50bytes):
movdqa %xmm0, -50(%edx)
L(aligned_16_34bytes):
movdqa %xmm0, -34(%edx)
L(aligned_16_18bytes):
movdqa %xmm0, -18(%edx)
L(aligned_16_2bytes):
movw %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_116bytes):
movdqa %xmm0, -116(%edx)
L(aligned_16_100bytes):
movdqa %xmm0, -100(%edx)
L(aligned_16_84bytes):
movdqa %xmm0, -84(%edx)
L(aligned_16_68bytes):
movdqa %xmm0, -68(%edx)
L(aligned_16_52bytes):
movdqa %xmm0, -52(%edx)
L(aligned_16_36bytes):
movdqa %xmm0, -36(%edx)
L(aligned_16_20bytes):
movdqa %xmm0, -20(%edx)
L(aligned_16_4bytes):
movl %eax, -4(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_118bytes):
movdqa %xmm0, -118(%edx)
L(aligned_16_102bytes):
movdqa %xmm0, -102(%edx)
L(aligned_16_86bytes):
movdqa %xmm0, -86(%edx)
L(aligned_16_70bytes):
movdqa %xmm0, -70(%edx)
L(aligned_16_54bytes):
movdqa %xmm0, -54(%edx)
L(aligned_16_38bytes):
movdqa %xmm0, -38(%edx)
L(aligned_16_22bytes):
movdqa %xmm0, -22(%edx)
L(aligned_16_6bytes):
movl %eax, -6(%edx)
movw %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_120bytes):
movdqa %xmm0, -120(%edx)
L(aligned_16_104bytes):
movdqa %xmm0, -104(%edx)
L(aligned_16_88bytes):
movdqa %xmm0, -88(%edx)
L(aligned_16_72bytes):
movdqa %xmm0, -72(%edx)
L(aligned_16_56bytes):
movdqa %xmm0, -56(%edx)
L(aligned_16_40bytes):
movdqa %xmm0, -40(%edx)
L(aligned_16_24bytes):
movdqa %xmm0, -24(%edx)
L(aligned_16_8bytes):
movq %xmm0, -8(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_122bytes):
movdqa %xmm0, -122(%edx)
L(aligned_16_106bytes):
movdqa %xmm0, -106(%edx)
L(aligned_16_90bytes):
movdqa %xmm0, -90(%edx)
L(aligned_16_74bytes):
movdqa %xmm0, -74(%edx)
L(aligned_16_58bytes):
movdqa %xmm0, -58(%edx)
L(aligned_16_42bytes):
movdqa %xmm0, -42(%edx)
L(aligned_16_26bytes):
movdqa %xmm0, -26(%edx)
L(aligned_16_10bytes):
movq %xmm0, -10(%edx)
movw %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_124bytes):
movdqa %xmm0, -124(%edx)
L(aligned_16_108bytes):
movdqa %xmm0, -108(%edx)
L(aligned_16_92bytes):
movdqa %xmm0, -92(%edx)
L(aligned_16_76bytes):
movdqa %xmm0, -76(%edx)
L(aligned_16_60bytes):
movdqa %xmm0, -60(%edx)
L(aligned_16_44bytes):
movdqa %xmm0, -44(%edx)
L(aligned_16_28bytes):
movdqa %xmm0, -28(%edx)
L(aligned_16_12bytes):
movq %xmm0, -12(%edx)
movl %eax, -4(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_126bytes):
movdqa %xmm0, -126(%edx)
L(aligned_16_110bytes):
movdqa %xmm0, -110(%edx)
L(aligned_16_94bytes):
movdqa %xmm0, -94(%edx)
L(aligned_16_78bytes):
movdqa %xmm0, -78(%edx)
L(aligned_16_62bytes):
movdqa %xmm0, -62(%edx)
L(aligned_16_46bytes):
movdqa %xmm0, -46(%edx)
L(aligned_16_30bytes):
movdqa %xmm0, -30(%edx)
L(aligned_16_14bytes):
movq %xmm0, -14(%edx)
movl %eax, -6(%edx)
movw %ax, -2(%edx)
SETRTNVAL
RETURN
END (MEMSET)

501
libcutils/arch-x86/android_memset32.S Normal file → Executable file
View File

@ -13,13 +13,498 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Contributed by: Intel Corporation
*/
# include "cache_wrapper.S"
# undef __i686
# define USE_AS_ANDROID
# define sse2_memset32_atom android_memset32
# include "sse2-memset32-atom.S"
#include "cache.h"
#ifndef MEMSET
# define MEMSET android_memset32
#endif
#ifndef L
# define L(label) .L##label
#endif
#ifndef ALIGN
# define ALIGN(n) .p2align n
#endif
#ifndef cfi_startproc
# define cfi_startproc .cfi_startproc
#endif
#ifndef cfi_endproc
# define cfi_endproc .cfi_endproc
#endif
#ifndef cfi_rel_offset
# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
#endif
#ifndef cfi_restore
# define cfi_restore(reg) .cfi_restore reg
#endif
#ifndef cfi_adjust_cfa_offset
# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
#endif
#ifndef ENTRY
# define ENTRY(name) \
.type name, @function; \
.globl name; \
.p2align 4; \
name: \
cfi_startproc
#endif
#ifndef END
# define END(name) \
cfi_endproc; \
.size name, .-name
#endif
#define CFI_PUSH(REG) \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (REG, 0)
#define CFI_POP(REG) \
cfi_adjust_cfa_offset (-4); \
cfi_restore (REG)
#define PUSH(REG) pushl REG; CFI_PUSH (REG)
#define POP(REG) popl REG; CFI_POP (REG)
#ifdef USE_AS_BZERO32
# define DEST PARMS
# define LEN DEST+4
# define SETRTNVAL
#else
# define DEST PARMS
# define DWDS DEST+4
# define LEN DWDS+4
# define SETRTNVAL movl DEST(%esp), %eax
#endif
#if (defined SHARED || defined __PIC__)
# define ENTRANCE PUSH (%ebx);
# define RETURN_END POP (%ebx); ret
# define RETURN RETURN_END; CFI_PUSH (%ebx)
# define PARMS 8 /* Preserve EBX. */
# define JMPTBL(I, B) I - B
/* Load an entry in a jump table into EBX and branch to it. TABLE is a
jump table with relative offsets. */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE) \
/* We first load PC into EBX. */ \
call __x86.get_pc_thunk.bx; \
/* Get the address of the jump table. */ \
add $(TABLE - .), %ebx; \
/* Get the entry and convert the relative offset to the \
absolute address. */ \
add (%ebx,%ecx,4), %ebx; \
/* We loaded the jump table and adjuested EDX. Go. */ \
jmp *%ebx
.section .gnu.linkonce.t.__x86.get_pc_thunk.bx,"ax",@progbits
.globl __x86.get_pc_thunk.bx
.hidden __x86.get_pc_thunk.bx
ALIGN (4)
.type __x86.get_pc_thunk.bx,@function
__x86.get_pc_thunk.bx:
movl (%esp), %ebx
ret
#else
# define ENTRANCE
# define RETURN_END ret
# define RETURN RETURN_END
# define PARMS 4
# define JMPTBL(I, B) I
/* Branch to an entry in a jump table. TABLE is a jump table with
absolute offsets. */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE) \
jmp *TABLE(,%ecx,4)
#endif
.section .text.sse2,"ax",@progbits
ALIGN (4)
ENTRY (MEMSET)
ENTRANCE
movl LEN(%esp), %ecx
shr $2, %ecx
#ifdef USE_AS_BZERO32
xor %eax, %eax
#else
mov DWDS(%esp), %eax
mov %eax, %edx
#endif
movl DEST(%esp), %edx
cmp $16, %ecx
jae L(16dbwordsormore)
L(write_less16dbwords):
lea (%edx, %ecx, 4), %edx
BRANCH_TO_JMPTBL_ENTRY (L(table_less16dbwords))
.pushsection .rodata.sse2,"a",@progbits
ALIGN (2)
L(table_less16dbwords):
.int JMPTBL (L(write_0dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_1dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_2dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_3dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_4dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_5dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_6dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_7dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_8dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_9dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_10dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_11dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_12dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_13dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_14dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_15dbwords), L(table_less16dbwords))
.popsection
ALIGN (4)
L(write_15dbwords):
movl %eax, -60(%edx)
L(write_14dbwords):
movl %eax, -56(%edx)
L(write_13dbwords):
movl %eax, -52(%edx)
L(write_12dbwords):
movl %eax, -48(%edx)
L(write_11dbwords):
movl %eax, -44(%edx)
L(write_10dbwords):
movl %eax, -40(%edx)
L(write_9dbwords):
movl %eax, -36(%edx)
L(write_8dbwords):
movl %eax, -32(%edx)
L(write_7dbwords):
movl %eax, -28(%edx)
L(write_6dbwords):
movl %eax, -24(%edx)
L(write_5dbwords):
movl %eax, -20(%edx)
L(write_4dbwords):
movl %eax, -16(%edx)
L(write_3dbwords):
movl %eax, -12(%edx)
L(write_2dbwords):
movl %eax, -8(%edx)
L(write_1dbwords):
movl %eax, -4(%edx)
L(write_0dbwords):
SETRTNVAL
RETURN
ALIGN (4)
L(16dbwordsormore):
test $3, %edx
jz L(aligned4bytes)
mov %eax, (%edx)
mov %eax, -4(%edx, %ecx, 4)
sub $1, %ecx
rol $24, %eax
add $1, %edx
test $3, %edx
jz L(aligned4bytes)
ror $8, %eax
add $1, %edx
test $3, %edx
jz L(aligned4bytes)
ror $8, %eax
add $1, %edx
L(aligned4bytes):
shl $2, %ecx
#ifdef USE_AS_BZERO32
pxor %xmm0, %xmm0
#else
movd %eax, %xmm0
pshufd $0, %xmm0, %xmm0
#endif
testl $0xf, %edx
jz L(aligned_16)
/* ECX > 32 and EDX is not 16 byte aligned. */
L(not_aligned_16):
movdqu %xmm0, (%edx)
movl %edx, %eax
and $-16, %edx
add $16, %edx
sub %edx, %eax
add %eax, %ecx
movd %xmm0, %eax
ALIGN (4)
L(aligned_16):
cmp $128, %ecx
jae L(128bytesormore)
L(aligned_16_less128bytes):
add %ecx, %edx
shr $2, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
ALIGN (4)
L(128bytesormore):
#ifdef SHARED_CACHE_SIZE
PUSH (%ebx)
mov $SHARED_CACHE_SIZE, %ebx
#else
# if (defined SHARED || defined __PIC__)
call __x86.get_pc_thunk.bx
add $_GLOBAL_OFFSET_TABLE_, %ebx
mov __x86_shared_cache_size@GOTOFF(%ebx), %ebx
# else
PUSH (%ebx)
mov __x86_shared_cache_size, %ebx
# endif
#endif
cmp %ebx, %ecx
jae L(128bytesormore_nt_start)
#ifdef DATA_CACHE_SIZE
POP (%ebx)
# define RESTORE_EBX_STATE CFI_PUSH (%ebx)
cmp $DATA_CACHE_SIZE, %ecx
#else
# if (defined SHARED || defined __PIC__)
# define RESTORE_EBX_STATE
call __x86.get_pc_thunk.bx
add $_GLOBAL_OFFSET_TABLE_, %ebx
cmp __x86_data_cache_size@GOTOFF(%ebx), %ecx
# else
POP (%ebx)
# define RESTORE_EBX_STATE CFI_PUSH (%ebx)
cmp __x86_data_cache_size, %ecx
# endif
#endif
jae L(128bytes_L2_normal)
subl $128, %ecx
L(128bytesormore_normal):
sub $128, %ecx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
lea 128(%edx), %edx
jb L(128bytesless_normal)
sub $128, %ecx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
lea 128(%edx), %edx
jae L(128bytesormore_normal)
L(128bytesless_normal):
lea 128(%ecx), %ecx
add %ecx, %edx
shr $2, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
ALIGN (4)
L(128bytes_L2_normal):
prefetcht0 0x380(%edx)
prefetcht0 0x3c0(%edx)
sub $128, %ecx
movdqa %xmm0, (%edx)
movaps %xmm0, 0x10(%edx)
movaps %xmm0, 0x20(%edx)
movaps %xmm0, 0x30(%edx)
movaps %xmm0, 0x40(%edx)
movaps %xmm0, 0x50(%edx)
movaps %xmm0, 0x60(%edx)
movaps %xmm0, 0x70(%edx)
add $128, %edx
cmp $128, %ecx
jae L(128bytes_L2_normal)
L(128bytesless_L2_normal):
add %ecx, %edx
shr $2, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
RESTORE_EBX_STATE
L(128bytesormore_nt_start):
sub %ebx, %ecx
mov %ebx, %eax
and $0x7f, %eax
add %eax, %ecx
movd %xmm0, %eax
ALIGN (4)
L(128bytesormore_shared_cache_loop):
prefetcht0 0x3c0(%edx)
prefetcht0 0x380(%edx)
sub $0x80, %ebx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
add $0x80, %edx
cmp $0x80, %ebx
jae L(128bytesormore_shared_cache_loop)
cmp $0x80, %ecx
jb L(shared_cache_loop_end)
ALIGN (4)
L(128bytesormore_nt):
sub $0x80, %ecx
movntdq %xmm0, (%edx)
movntdq %xmm0, 0x10(%edx)
movntdq %xmm0, 0x20(%edx)
movntdq %xmm0, 0x30(%edx)
movntdq %xmm0, 0x40(%edx)
movntdq %xmm0, 0x50(%edx)
movntdq %xmm0, 0x60(%edx)
movntdq %xmm0, 0x70(%edx)
add $0x80, %edx
cmp $0x80, %ecx
jae L(128bytesormore_nt)
sfence
L(shared_cache_loop_end):
#if defined DATA_CACHE_SIZE || !(defined SHARED || defined __PIC__)
POP (%ebx)
#endif
add %ecx, %edx
shr $2, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
.pushsection .rodata.sse2,"a",@progbits
ALIGN (2)
L(table_16_128bytes):
.int JMPTBL (L(aligned_16_0bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_4bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_8bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_12bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_16bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_20bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_24bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_28bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_32bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_36bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_40bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_44bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_48bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_52bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_56bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_60bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_64bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_68bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_72bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_76bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_80bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_84bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_88bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_92bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_96bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_100bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_104bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_108bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_112bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_116bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_120bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_124bytes), L(table_16_128bytes))
.popsection
ALIGN (4)
L(aligned_16_112bytes):
movdqa %xmm0, -112(%edx)
L(aligned_16_96bytes):
movdqa %xmm0, -96(%edx)
L(aligned_16_80bytes):
movdqa %xmm0, -80(%edx)
L(aligned_16_64bytes):
movdqa %xmm0, -64(%edx)
L(aligned_16_48bytes):
movdqa %xmm0, -48(%edx)
L(aligned_16_32bytes):
movdqa %xmm0, -32(%edx)
L(aligned_16_16bytes):
movdqa %xmm0, -16(%edx)
L(aligned_16_0bytes):
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_116bytes):
movdqa %xmm0, -116(%edx)
L(aligned_16_100bytes):
movdqa %xmm0, -100(%edx)
L(aligned_16_84bytes):
movdqa %xmm0, -84(%edx)
L(aligned_16_68bytes):
movdqa %xmm0, -68(%edx)
L(aligned_16_52bytes):
movdqa %xmm0, -52(%edx)
L(aligned_16_36bytes):
movdqa %xmm0, -36(%edx)
L(aligned_16_20bytes):
movdqa %xmm0, -20(%edx)
L(aligned_16_4bytes):
movl %eax, -4(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_120bytes):
movdqa %xmm0, -120(%edx)
L(aligned_16_104bytes):
movdqa %xmm0, -104(%edx)
L(aligned_16_88bytes):
movdqa %xmm0, -88(%edx)
L(aligned_16_72bytes):
movdqa %xmm0, -72(%edx)
L(aligned_16_56bytes):
movdqa %xmm0, -56(%edx)
L(aligned_16_40bytes):
movdqa %xmm0, -40(%edx)
L(aligned_16_24bytes):
movdqa %xmm0, -24(%edx)
L(aligned_16_8bytes):
movq %xmm0, -8(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_124bytes):
movdqa %xmm0, -124(%edx)
L(aligned_16_108bytes):
movdqa %xmm0, -108(%edx)
L(aligned_16_92bytes):
movdqa %xmm0, -92(%edx)
L(aligned_16_76bytes):
movdqa %xmm0, -76(%edx)
L(aligned_16_60bytes):
movdqa %xmm0, -60(%edx)
L(aligned_16_44bytes):
movdqa %xmm0, -44(%edx)
L(aligned_16_28bytes):
movdqa %xmm0, -28(%edx)
L(aligned_16_12bytes):
movq %xmm0, -12(%edx)
movl %eax, -4(%edx)
SETRTNVAL
RETURN
END (MEMSET)

3
libcutils/arch-x86/cache_wrapper.S → libcutils/arch-x86/cache.h
View File

@ -13,9 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Contributed by: Intel Corporation
*/
#if defined(__slm__)
/* Values are optimized for Silvermont */

722
libcutils/arch-x86/sse2-memset16-atom.S
View File

@ -1,722 +0,0 @@
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Contributed by: Intel Corporation
*/
#ifndef L
# define L(label) .L##label
#endif
#ifndef ALIGN
# define ALIGN(n) .p2align n
#endif
#ifndef cfi_startproc
# define cfi_startproc .cfi_startproc
#endif
#ifndef cfi_endproc
# define cfi_endproc .cfi_endproc
#endif
#ifndef cfi_rel_offset
# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
#endif
#ifndef cfi_restore
# define cfi_restore(reg) .cfi_restore reg
#endif
#ifndef cfi_adjust_cfa_offset
# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
#endif
#ifndef ENTRY
# define ENTRY(name) \
.type name, @function; \
.globl name; \
.p2align 4; \
name: \
cfi_startproc
#endif
#ifndef END
# define END(name) \
cfi_endproc; \
.size name, .-name
#endif
#define CFI_PUSH(REG) \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (REG, 0)
#define CFI_POP(REG) \
cfi_adjust_cfa_offset (-4); \
cfi_restore (REG)
#define PUSH(REG) pushl REG; CFI_PUSH (REG)
#define POP(REG) popl REG; CFI_POP (REG)
#ifdef USE_AS_BZERO16
# define DEST PARMS
# define LEN DEST+4
#else
# define DEST PARMS
# define CHR DEST+4
# define LEN CHR+4
#endif
#if 1
# define SETRTNVAL
#else
# define SETRTNVAL movl DEST(%esp), %eax
#endif
#if (defined SHARED || defined __PIC__)
# define ENTRANCE PUSH (%ebx);
# define RETURN_END POP (%ebx); ret
# define RETURN RETURN_END; CFI_PUSH (%ebx)
# define PARMS 8 /* Preserve EBX. */
# define JMPTBL(I, B) I - B
/* Load an entry in a jump table into EBX and branch to it. TABLE is a
jump table with relative offsets. */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE) \
/* We first load PC into EBX. */ \
call __i686.get_pc_thunk.bx; \
/* Get the address of the jump table. */ \
add $(TABLE - .), %ebx; \
/* Get the entry and convert the relative offset to the \
absolute address. */ \
add (%ebx,%ecx,4), %ebx; \
/* We loaded the jump table and adjuested EDX. Go. */ \
jmp *%ebx
.section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
.globl __i686.get_pc_thunk.bx
.hidden __i686.get_pc_thunk.bx
ALIGN (4)
.type __i686.get_pc_thunk.bx,@function
__i686.get_pc_thunk.bx:
movl (%esp), %ebx
ret
#else
# define ENTRANCE
# define RETURN_END ret
# define RETURN RETURN_END
# define PARMS 4
# define JMPTBL(I, B) I
/* Branch to an entry in a jump table. TABLE is a jump table with
absolute offsets. */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE) \
jmp *TABLE(,%ecx,4)
#endif
.section .text.sse2,"ax",@progbits
ALIGN (4)
ENTRY (sse2_memset16_atom)
ENTRANCE
movl LEN(%esp), %ecx
#ifdef USE_AS_ANDROID
shr $1, %ecx
#endif
#ifdef USE_AS_BZERO16
xor %eax, %eax
#else
movzwl CHR(%esp), %eax
mov %eax, %edx
shl $16, %eax
or %edx, %eax
#endif
movl DEST(%esp), %edx
cmp $32, %ecx
jae L(32wordsormore)
L(write_less32words):
lea (%edx, %ecx, 2), %edx
BRANCH_TO_JMPTBL_ENTRY (L(table_less32words))
.pushsection .rodata.sse2,"a",@progbits
ALIGN (2)
L(table_less32words):
.int JMPTBL (L(write_0words), L(table_less32words))
.int JMPTBL (L(write_1words), L(table_less32words))
.int JMPTBL (L(write_2words), L(table_less32words))
.int JMPTBL (L(write_3words), L(table_less32words))
.int JMPTBL (L(write_4words), L(table_less32words))
.int JMPTBL (L(write_5words), L(table_less32words))
.int JMPTBL (L(write_6words), L(table_less32words))
.int JMPTBL (L(write_7words), L(table_less32words))
.int JMPTBL (L(write_8words), L(table_less32words))
.int JMPTBL (L(write_9words), L(table_less32words))
.int JMPTBL (L(write_10words), L(table_less32words))
.int JMPTBL (L(write_11words), L(table_less32words))
.int JMPTBL (L(write_12words), L(table_less32words))
.int JMPTBL (L(write_13words), L(table_less32words))
.int JMPTBL (L(write_14words), L(table_less32words))
.int JMPTBL (L(write_15words), L(table_less32words))
.int JMPTBL (L(write_16words), L(table_less32words))
.int JMPTBL (L(write_17words), L(table_less32words))
.int JMPTBL (L(write_18words), L(table_less32words))
.int JMPTBL (L(write_19words), L(table_less32words))
.int JMPTBL (L(write_20words), L(table_less32words))
.int JMPTBL (L(write_21words), L(table_less32words))
.int JMPTBL (L(write_22words), L(table_less32words))
.int JMPTBL (L(write_23words), L(table_less32words))
.int JMPTBL (L(write_24words), L(table_less32words))
.int JMPTBL (L(write_25words), L(table_less32words))
.int JMPTBL (L(write_26words), L(table_less32words))
.int JMPTBL (L(write_27words), L(table_less32words))
.int JMPTBL (L(write_28words), L(table_less32words))
.int JMPTBL (L(write_29words), L(table_less32words))
.int JMPTBL (L(write_30words), L(table_less32words))
.int JMPTBL (L(write_31words), L(table_less32words))
.popsection
ALIGN (4)
L(write_28words):
movl %eax, -56(%edx)
movl %eax, -52(%edx)
L(write_24words):
movl %eax, -48(%edx)
movl %eax, -44(%edx)
L(write_20words):
movl %eax, -40(%edx)
movl %eax, -36(%edx)
L(write_16words):
movl %eax, -32(%edx)
movl %eax, -28(%edx)
L(write_12words):
movl %eax, -24(%edx)
movl %eax, -20(%edx)
L(write_8words):
movl %eax, -16(%edx)
movl %eax, -12(%edx)
L(write_4words):
movl %eax, -8(%edx)
movl %eax, -4(%edx)
L(write_0words):
SETRTNVAL
RETURN
ALIGN (4)
L(write_29words):
movl %eax, -58(%edx)
movl %eax, -54(%edx)
L(write_25words):
movl %eax, -50(%edx)
movl %eax, -46(%edx)
L(write_21words):
movl %eax, -42(%edx)
movl %eax, -38(%edx)
L(write_17words):
movl %eax, -34(%edx)
movl %eax, -30(%edx)
L(write_13words):
movl %eax, -26(%edx)
movl %eax, -22(%edx)
L(write_9words):
movl %eax, -18(%edx)
movl %eax, -14(%edx)
L(write_5words):
movl %eax, -10(%edx)
movl %eax, -6(%edx)
L(write_1words):
mov %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(write_30words):
movl %eax, -60(%edx)
movl %eax, -56(%edx)
L(write_26words):
movl %eax, -52(%edx)
movl %eax, -48(%edx)
L(write_22words):
movl %eax, -44(%edx)
movl %eax, -40(%edx)
L(write_18words):
movl %eax, -36(%edx)
movl %eax, -32(%edx)
L(write_14words):
movl %eax, -28(%edx)
movl %eax, -24(%edx)
L(write_10words):
movl %eax, -20(%edx)
movl %eax, -16(%edx)
L(write_6words):
movl %eax, -12(%edx)
movl %eax, -8(%edx)
L(write_2words):
movl %eax, -4(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(write_31words):
movl %eax, -62(%edx)
movl %eax, -58(%edx)
L(write_27words):
movl %eax, -54(%edx)
movl %eax, -50(%edx)
L(write_23words):
movl %eax, -46(%edx)
movl %eax, -42(%edx)
L(write_19words):
movl %eax, -38(%edx)
movl %eax, -34(%edx)
L(write_15words):
movl %eax, -30(%edx)
movl %eax, -26(%edx)
L(write_11words):
movl %eax, -22(%edx)
movl %eax, -18(%edx)
L(write_7words):
movl %eax, -14(%edx)
movl %eax, -10(%edx)
L(write_3words):
movl %eax, -6(%edx)
movw %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(32wordsormore):
shl $1, %ecx
test $0x01, %edx
jz L(aligned2bytes)
mov %eax, (%edx)
mov %eax, -4(%edx, %ecx)
sub $2, %ecx
add $1, %edx
rol $8, %eax
L(aligned2bytes):
#ifdef USE_AS_BZERO16
pxor %xmm0, %xmm0
#else
movd %eax, %xmm0
pshufd $0, %xmm0, %xmm0
#endif
testl $0xf, %edx
jz L(aligned_16)
/* ECX > 32 and EDX is not 16 byte aligned. */
L(not_aligned_16):
movdqu %xmm0, (%edx)
movl %edx, %eax
and $-16, %edx
add $16, %edx
sub %edx, %eax
add %eax, %ecx
movd %xmm0, %eax
ALIGN (4)
L(aligned_16):
cmp $128, %ecx
jae L(128bytesormore)
L(aligned_16_less128bytes):
add %ecx, %edx
shr $1, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
ALIGN (4)
L(128bytesormore):
#ifdef SHARED_CACHE_SIZE
PUSH (%ebx)
mov $SHARED_CACHE_SIZE, %ebx
#else
# if (defined SHARED || defined __PIC__)
call __i686.get_pc_thunk.bx
add $_GLOBAL_OFFSET_TABLE_, %ebx
mov __x86_shared_cache_size@GOTOFF(%ebx), %ebx
# else
PUSH (%ebx)
mov __x86_shared_cache_size, %ebx
# endif
#endif
cmp %ebx, %ecx
jae L(128bytesormore_nt_start)
#ifdef DATA_CACHE_SIZE
POP (%ebx)
# define RESTORE_EBX_STATE CFI_PUSH (%ebx)
cmp $DATA_CACHE_SIZE, %ecx
#else
# if (defined SHARED || defined __PIC__)
# define RESTORE_EBX_STATE
call __i686.get_pc_thunk.bx
add $_GLOBAL_OFFSET_TABLE_, %ebx
cmp __x86_data_cache_size@GOTOFF(%ebx), %ecx
# else
POP (%ebx)
# define RESTORE_EBX_STATE CFI_PUSH (%ebx)
cmp __x86_data_cache_size, %ecx
# endif
#endif
jae L(128bytes_L2_normal)
subl $128, %ecx
L(128bytesormore_normal):
sub $128, %ecx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
lea 128(%edx), %edx
jb L(128bytesless_normal)
sub $128, %ecx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
lea 128(%edx), %edx
jae L(128bytesormore_normal)
L(128bytesless_normal):
lea 128(%ecx), %ecx
add %ecx, %edx
shr $1, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
ALIGN (4)
L(128bytes_L2_normal):
prefetcht0 0x380(%edx)
prefetcht0 0x3c0(%edx)
sub $128, %ecx
movdqa %xmm0, (%edx)
movaps %xmm0, 0x10(%edx)
movaps %xmm0, 0x20(%edx)
movaps %xmm0, 0x30(%edx)
movaps %xmm0, 0x40(%edx)
movaps %xmm0, 0x50(%edx)
movaps %xmm0, 0x60(%edx)
movaps %xmm0, 0x70(%edx)
add $128, %edx
cmp $128, %ecx
jae L(128bytes_L2_normal)
L(128bytesless_L2_normal):
add %ecx, %edx
shr $1, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
RESTORE_EBX_STATE
L(128bytesormore_nt_start):
sub %ebx, %ecx
mov %ebx, %eax
and $0x7f, %eax
add %eax, %ecx
movd %xmm0, %eax
ALIGN (4)
L(128bytesormore_shared_cache_loop):
prefetcht0 0x3c0(%edx)
prefetcht0 0x380(%edx)
sub $0x80, %ebx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
add $0x80, %edx
cmp $0x80, %ebx
jae L(128bytesormore_shared_cache_loop)
cmp $0x80, %ecx
jb L(shared_cache_loop_end)
ALIGN (4)
L(128bytesormore_nt):
sub $0x80, %ecx
movntdq %xmm0, (%edx)
movntdq %xmm0, 0x10(%edx)
movntdq %xmm0, 0x20(%edx)
movntdq %xmm0, 0x30(%edx)
movntdq %xmm0, 0x40(%edx)
movntdq %xmm0, 0x50(%edx)
movntdq %xmm0, 0x60(%edx)
movntdq %xmm0, 0x70(%edx)
add $0x80, %edx
cmp $0x80, %ecx
jae L(128bytesormore_nt)
sfence
L(shared_cache_loop_end):
#if defined DATA_CACHE_SIZE || !(defined SHARED || defined __PIC__)
POP (%ebx)
#endif
add %ecx, %edx
shr $1, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
.pushsection .rodata.sse2,"a",@progbits
ALIGN (2)
L(table_16_128bytes):
.int JMPTBL (L(aligned_16_0bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_2bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_4bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_6bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_8bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_10bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_12bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_14bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_16bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_18bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_20bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_22bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_24bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_26bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_28bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_30bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_32bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_34bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_36bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_38bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_40bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_42bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_44bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_46bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_48bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_50bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_52bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_54bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_56bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_58bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_60bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_62bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_64bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_66bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_68bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_70bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_72bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_74bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_76bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_78bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_80bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_82bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_84bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_86bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_88bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_90bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_92bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_94bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_96bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_98bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_100bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_102bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_104bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_106bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_108bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_110bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_112bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_114bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_116bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_118bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_120bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_122bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_124bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_126bytes), L(table_16_128bytes))
.popsection
ALIGN (4)
L(aligned_16_112bytes):
movdqa %xmm0, -112(%edx)
L(aligned_16_96bytes):
movdqa %xmm0, -96(%edx)
L(aligned_16_80bytes):
movdqa %xmm0, -80(%edx)
L(aligned_16_64bytes):
movdqa %xmm0, -64(%edx)
L(aligned_16_48bytes):
movdqa %xmm0, -48(%edx)
L(aligned_16_32bytes):
movdqa %xmm0, -32(%edx)
L(aligned_16_16bytes):
movdqa %xmm0, -16(%edx)
L(aligned_16_0bytes):
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_114bytes):
movdqa %xmm0, -114(%edx)
L(aligned_16_98bytes):
movdqa %xmm0, -98(%edx)
L(aligned_16_82bytes):
movdqa %xmm0, -82(%edx)
L(aligned_16_66bytes):
movdqa %xmm0, -66(%edx)
L(aligned_16_50bytes):
movdqa %xmm0, -50(%edx)
L(aligned_16_34bytes):
movdqa %xmm0, -34(%edx)
L(aligned_16_18bytes):
movdqa %xmm0, -18(%edx)
L(aligned_16_2bytes):
movw %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_116bytes):
movdqa %xmm0, -116(%edx)
L(aligned_16_100bytes):
movdqa %xmm0, -100(%edx)
L(aligned_16_84bytes):
movdqa %xmm0, -84(%edx)
L(aligned_16_68bytes):
movdqa %xmm0, -68(%edx)
L(aligned_16_52bytes):
movdqa %xmm0, -52(%edx)
L(aligned_16_36bytes):
movdqa %xmm0, -36(%edx)
L(aligned_16_20bytes):
movdqa %xmm0, -20(%edx)
L(aligned_16_4bytes):
movl %eax, -4(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_118bytes):
movdqa %xmm0, -118(%edx)
L(aligned_16_102bytes):
movdqa %xmm0, -102(%edx)
L(aligned_16_86bytes):
movdqa %xmm0, -86(%edx)
L(aligned_16_70bytes):
movdqa %xmm0, -70(%edx)
L(aligned_16_54bytes):
movdqa %xmm0, -54(%edx)
L(aligned_16_38bytes):
movdqa %xmm0, -38(%edx)
L(aligned_16_22bytes):
movdqa %xmm0, -22(%edx)
L(aligned_16_6bytes):
movl %eax, -6(%edx)
movw %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_120bytes):
movdqa %xmm0, -120(%edx)
L(aligned_16_104bytes):
movdqa %xmm0, -104(%edx)
L(aligned_16_88bytes):
movdqa %xmm0, -88(%edx)
L(aligned_16_72bytes):
movdqa %xmm0, -72(%edx)
L(aligned_16_56bytes):
movdqa %xmm0, -56(%edx)
L(aligned_16_40bytes):
movdqa %xmm0, -40(%edx)
L(aligned_16_24bytes):
movdqa %xmm0, -24(%edx)
L(aligned_16_8bytes):
movq %xmm0, -8(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_122bytes):
movdqa %xmm0, -122(%edx)
L(aligned_16_106bytes):
movdqa %xmm0, -106(%edx)
L(aligned_16_90bytes):
movdqa %xmm0, -90(%edx)
L(aligned_16_74bytes):
movdqa %xmm0, -74(%edx)
L(aligned_16_58bytes):
movdqa %xmm0, -58(%edx)
L(aligned_16_42bytes):
movdqa %xmm0, -42(%edx)
L(aligned_16_26bytes):
movdqa %xmm0, -26(%edx)
L(aligned_16_10bytes):
movq %xmm0, -10(%edx)
movw %ax, -2(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_124bytes):
movdqa %xmm0, -124(%edx)
L(aligned_16_108bytes):
movdqa %xmm0, -108(%edx)
L(aligned_16_92bytes):
movdqa %xmm0, -92(%edx)
L(aligned_16_76bytes):
movdqa %xmm0, -76(%edx)
L(aligned_16_60bytes):
movdqa %xmm0, -60(%edx)
L(aligned_16_44bytes):
movdqa %xmm0, -44(%edx)
L(aligned_16_28bytes):
movdqa %xmm0, -28(%edx)
L(aligned_16_12bytes):
movq %xmm0, -12(%edx)
movl %eax, -4(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_126bytes):
movdqa %xmm0, -126(%edx)
L(aligned_16_110bytes):
movdqa %xmm0, -110(%edx)
L(aligned_16_94bytes):
movdqa %xmm0, -94(%edx)
L(aligned_16_78bytes):
movdqa %xmm0, -78(%edx)
L(aligned_16_62bytes):
movdqa %xmm0, -62(%edx)
L(aligned_16_46bytes):
movdqa %xmm0, -46(%edx)
L(aligned_16_30bytes):
movdqa %xmm0, -30(%edx)
L(aligned_16_14bytes):
movq %xmm0, -14(%edx)
movl %eax, -6(%edx)
movw %ax, -2(%edx)
SETRTNVAL
RETURN
END (sse2_memset16_atom)

513
libcutils/arch-x86/sse2-memset32-atom.S
View File

@ -1,513 +0,0 @@
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Contributed by: Intel Corporation
*/
#ifndef L
# define L(label) .L##label
#endif
#ifndef ALIGN
# define ALIGN(n) .p2align n
#endif
#ifndef cfi_startproc
# define cfi_startproc .cfi_startproc
#endif
#ifndef cfi_endproc
# define cfi_endproc .cfi_endproc
#endif
#ifndef cfi_rel_offset
# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
#endif
#ifndef cfi_restore
# define cfi_restore(reg) .cfi_restore reg
#endif
#ifndef cfi_adjust_cfa_offset
# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
#endif
#ifndef ENTRY
# define ENTRY(name) \
.type name, @function; \
.globl name; \
.p2align 4; \
name: \
cfi_startproc
#endif
#ifndef END
# define END(name) \
cfi_endproc; \
.size name, .-name
#endif
#define CFI_PUSH(REG) \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (REG, 0)
#define CFI_POP(REG) \
cfi_adjust_cfa_offset (-4); \
cfi_restore (REG)
#define PUSH(REG) pushl REG; CFI_PUSH (REG)
#define POP(REG) popl REG; CFI_POP (REG)
#ifdef USE_AS_BZERO32
# define DEST PARMS
# define LEN DEST+4
#else
# define DEST PARMS
# define DWDS DEST+4
# define LEN DWDS+4
#endif
#ifdef USE_AS_WMEMSET32
# define SETRTNVAL movl DEST(%esp), %eax
#else
# define SETRTNVAL
#endif
#if (defined SHARED || defined __PIC__)
# define ENTRANCE PUSH (%ebx);
# define RETURN_END POP (%ebx); ret
# define RETURN RETURN_END; CFI_PUSH (%ebx)
# define PARMS 8 /* Preserve EBX. */
# define JMPTBL(I, B) I - B
/* Load an entry in a jump table into EBX and branch to it. TABLE is a
jump table with relative offsets. */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE) \
/* We first load PC into EBX. */ \
call __i686.get_pc_thunk.bx; \
/* Get the address of the jump table. */ \
add $(TABLE - .), %ebx; \
/* Get the entry and convert the relative offset to the \
absolute address. */ \
add (%ebx,%ecx,4), %ebx; \
/* We loaded the jump table and adjuested EDX. Go. */ \
jmp *%ebx
.section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
.globl __i686.get_pc_thunk.bx
.hidden __i686.get_pc_thunk.bx
ALIGN (4)
.type __i686.get_pc_thunk.bx,@function
__i686.get_pc_thunk.bx:
movl (%esp), %ebx
ret
#else
# define ENTRANCE
# define RETURN_END ret
# define RETURN RETURN_END
# define PARMS 4
# define JMPTBL(I, B) I
/* Branch to an entry in a jump table. TABLE is a jump table with
absolute offsets. */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE) \
jmp *TABLE(,%ecx,4)
#endif
.section .text.sse2,"ax",@progbits
ALIGN (4)
ENTRY (sse2_memset32_atom)
ENTRANCE
movl LEN(%esp), %ecx
#ifdef USE_AS_ANDROID
shr $2, %ecx
#endif
#ifdef USE_AS_BZERO32
xor %eax, %eax
#else
mov DWDS(%esp), %eax
mov %eax, %edx
#endif
movl DEST(%esp), %edx
cmp $16, %ecx
jae L(16dbwordsormore)
L(write_less16dbwords):
lea (%edx, %ecx, 4), %edx
BRANCH_TO_JMPTBL_ENTRY (L(table_less16dbwords))
.pushsection .rodata.sse2,"a",@progbits
ALIGN (2)
L(table_less16dbwords):
.int JMPTBL (L(write_0dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_1dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_2dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_3dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_4dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_5dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_6dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_7dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_8dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_9dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_10dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_11dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_12dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_13dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_14dbwords), L(table_less16dbwords))
.int JMPTBL (L(write_15dbwords), L(table_less16dbwords))
.popsection
ALIGN (4)
L(write_15dbwords):
movl %eax, -60(%edx)
L(write_14dbwords):
movl %eax, -56(%edx)
L(write_13dbwords):
movl %eax, -52(%edx)
L(write_12dbwords):
movl %eax, -48(%edx)
L(write_11dbwords):
movl %eax, -44(%edx)
L(write_10dbwords):
movl %eax, -40(%edx)
L(write_9dbwords):
movl %eax, -36(%edx)
L(write_8dbwords):
movl %eax, -32(%edx)
L(write_7dbwords):
movl %eax, -28(%edx)
L(write_6dbwords):
movl %eax, -24(%edx)
L(write_5dbwords):
movl %eax, -20(%edx)
L(write_4dbwords):
movl %eax, -16(%edx)
L(write_3dbwords):
movl %eax, -12(%edx)
L(write_2dbwords):
movl %eax, -8(%edx)
L(write_1dbwords):
movl %eax, -4(%edx)
L(write_0dbwords):
SETRTNVAL
RETURN
ALIGN (4)
L(16dbwordsormore):
test $3, %edx
jz L(aligned4bytes)
mov %eax, (%edx)
mov %eax, -4(%edx, %ecx, 4)
sub $1, %ecx
rol $24, %eax
add $1, %edx
test $3, %edx
jz L(aligned4bytes)
ror $8, %eax
add $1, %edx
test $3, %edx
jz L(aligned4bytes)
ror $8, %eax
add $1, %edx
L(aligned4bytes):
shl $2, %ecx
#ifdef USE_AS_BZERO32
pxor %xmm0, %xmm0
#else
movd %eax, %xmm0
pshufd $0, %xmm0, %xmm0
#endif
testl $0xf, %edx
jz L(aligned_16)
/* ECX > 32 and EDX is not 16 byte aligned. */
L(not_aligned_16):
movdqu %xmm0, (%edx)
movl %edx, %eax
and $-16, %edx
add $16, %edx
sub %edx, %eax
add %eax, %ecx
movd %xmm0, %eax
ALIGN (4)
L(aligned_16):
cmp $128, %ecx
jae L(128bytesormore)
L(aligned_16_less128bytes):
add %ecx, %edx
shr $2, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
ALIGN (4)
L(128bytesormore):
#ifdef SHARED_CACHE_SIZE
PUSH (%ebx)
mov $SHARED_CACHE_SIZE, %ebx
#else
# if (defined SHARED || defined __PIC__)
call __i686.get_pc_thunk.bx
add $_GLOBAL_OFFSET_TABLE_, %ebx
mov __x86_shared_cache_size@GOTOFF(%ebx), %ebx
# else
PUSH (%ebx)
mov __x86_shared_cache_size, %ebx
# endif
#endif
cmp %ebx, %ecx
jae L(128bytesormore_nt_start)
#ifdef DATA_CACHE_SIZE
POP (%ebx)
# define RESTORE_EBX_STATE CFI_PUSH (%ebx)
cmp $DATA_CACHE_SIZE, %ecx
#else
# if (defined SHARED || defined __PIC__)
# define RESTORE_EBX_STATE
call __i686.get_pc_thunk.bx
add $_GLOBAL_OFFSET_TABLE_, %ebx
cmp __x86_data_cache_size@GOTOFF(%ebx), %ecx
# else
POP (%ebx)
# define RESTORE_EBX_STATE CFI_PUSH (%ebx)
cmp __x86_data_cache_size, %ecx
# endif
#endif
jae L(128bytes_L2_normal)
subl $128, %ecx
L(128bytesormore_normal):
sub $128, %ecx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
lea 128(%edx), %edx
jb L(128bytesless_normal)
sub $128, %ecx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
lea 128(%edx), %edx
jae L(128bytesormore_normal)
L(128bytesless_normal):
lea 128(%ecx), %ecx
add %ecx, %edx
shr $2, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
ALIGN (4)
L(128bytes_L2_normal):
prefetcht0 0x380(%edx)
prefetcht0 0x3c0(%edx)
sub $128, %ecx
movdqa %xmm0, (%edx)
movaps %xmm0, 0x10(%edx)
movaps %xmm0, 0x20(%edx)
movaps %xmm0, 0x30(%edx)
movaps %xmm0, 0x40(%edx)
movaps %xmm0, 0x50(%edx)
movaps %xmm0, 0x60(%edx)
movaps %xmm0, 0x70(%edx)
add $128, %edx
cmp $128, %ecx
jae L(128bytes_L2_normal)
L(128bytesless_L2_normal):
add %ecx, %edx
shr $2, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
RESTORE_EBX_STATE
L(128bytesormore_nt_start):
sub %ebx, %ecx
mov %ebx, %eax
and $0x7f, %eax
add %eax, %ecx
movd %xmm0, %eax
ALIGN (4)
L(128bytesormore_shared_cache_loop):
prefetcht0 0x3c0(%edx)
prefetcht0 0x380(%edx)
sub $0x80, %ebx
movdqa %xmm0, (%edx)
movdqa %xmm0, 0x10(%edx)
movdqa %xmm0, 0x20(%edx)
movdqa %xmm0, 0x30(%edx)
movdqa %xmm0, 0x40(%edx)
movdqa %xmm0, 0x50(%edx)
movdqa %xmm0, 0x60(%edx)
movdqa %xmm0, 0x70(%edx)
add $0x80, %edx
cmp $0x80, %ebx
jae L(128bytesormore_shared_cache_loop)
cmp $0x80, %ecx
jb L(shared_cache_loop_end)
ALIGN (4)
L(128bytesormore_nt):
sub $0x80, %ecx
movntdq %xmm0, (%edx)
movntdq %xmm0, 0x10(%edx)
movntdq %xmm0, 0x20(%edx)
movntdq %xmm0, 0x30(%edx)
movntdq %xmm0, 0x40(%edx)
movntdq %xmm0, 0x50(%edx)
movntdq %xmm0, 0x60(%edx)
movntdq %xmm0, 0x70(%edx)
add $0x80, %edx
cmp $0x80, %ecx
jae L(128bytesormore_nt)
sfence
L(shared_cache_loop_end):
#if defined DATA_CACHE_SIZE || !(defined SHARED || defined __PIC__)
POP (%ebx)
#endif
add %ecx, %edx
shr $2, %ecx
BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
.pushsection .rodata.sse2,"a",@progbits
ALIGN (2)
L(table_16_128bytes):
.int JMPTBL (L(aligned_16_0bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_4bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_8bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_12bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_16bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_20bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_24bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_28bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_32bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_36bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_40bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_44bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_48bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_52bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_56bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_60bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_64bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_68bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_72bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_76bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_80bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_84bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_88bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_92bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_96bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_100bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_104bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_108bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_112bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_116bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_120bytes), L(table_16_128bytes))
.int JMPTBL (L(aligned_16_124bytes), L(table_16_128bytes))
.popsection
ALIGN (4)
L(aligned_16_112bytes):
movdqa %xmm0, -112(%edx)
L(aligned_16_96bytes):
movdqa %xmm0, -96(%edx)
L(aligned_16_80bytes):
movdqa %xmm0, -80(%edx)
L(aligned_16_64bytes):
movdqa %xmm0, -64(%edx)
L(aligned_16_48bytes):
movdqa %xmm0, -48(%edx)
L(aligned_16_32bytes):
movdqa %xmm0, -32(%edx)
L(aligned_16_16bytes):
movdqa %xmm0, -16(%edx)
L(aligned_16_0bytes):
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_116bytes):
movdqa %xmm0, -116(%edx)
L(aligned_16_100bytes):
movdqa %xmm0, -100(%edx)
L(aligned_16_84bytes):
movdqa %xmm0, -84(%edx)
L(aligned_16_68bytes):
movdqa %xmm0, -68(%edx)
L(aligned_16_52bytes):
movdqa %xmm0, -52(%edx)
L(aligned_16_36bytes):
movdqa %xmm0, -36(%edx)
L(aligned_16_20bytes):
movdqa %xmm0, -20(%edx)
L(aligned_16_4bytes):
movl %eax, -4(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_120bytes):
movdqa %xmm0, -120(%edx)
L(aligned_16_104bytes):
movdqa %xmm0, -104(%edx)
L(aligned_16_88bytes):
movdqa %xmm0, -88(%edx)
L(aligned_16_72bytes):
movdqa %xmm0, -72(%edx)
L(aligned_16_56bytes):
movdqa %xmm0, -56(%edx)
L(aligned_16_40bytes):
movdqa %xmm0, -40(%edx)
L(aligned_16_24bytes):
movdqa %xmm0, -24(%edx)
L(aligned_16_8bytes):
movq %xmm0, -8(%edx)
SETRTNVAL
RETURN
ALIGN (4)
L(aligned_16_124bytes):
movdqa %xmm0, -124(%edx)
L(aligned_16_108bytes):
movdqa %xmm0, -108(%edx)
L(aligned_16_92bytes):
movdqa %xmm0, -92(%edx)
L(aligned_16_76bytes):
movdqa %xmm0, -76(%edx)
L(aligned_16_60bytes):
movdqa %xmm0, -60(%edx)
L(aligned_16_44bytes):
movdqa %xmm0, -44(%edx)
L(aligned_16_28bytes):
movdqa %xmm0, -28(%edx)
L(aligned_16_12bytes):
movq %xmm0, -12(%edx)
movl %eax, -4(%edx)
SETRTNVAL
RETURN
END (sse2_memset32_atom)

11
libcutils/arch-x86_64/android_memset16_SSE2-atom.S → libcutils/arch-x86_64/android_memset16.S
View File

@ -13,12 +13,13 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Contributed by: Intel Corporation
*/
#include "cache.h"
#ifndef MEMSET
# define MEMSET android_memset16
#endif
#ifndef L
# define L(label) .L##label
#endif
@ -63,7 +64,7 @@ name: \
.section .text.sse2,"ax",@progbits
ALIGN (4)
ENTRY (android_memset16) // Address in rdi
ENTRY (MEMSET) // Address in rdi
shr $1, %rdx // Count in rdx
movzwl %si, %ecx
/* Fill the whole ECX with pattern. */
@ -561,4 +562,4 @@ L(aligned_16_14bytes):
movw %cx, -2(%rdi)
ret
END (android_memset16)
END (MEMSET)

11
libcutils/arch-x86_64/android_memset32_SSE2-atom.S → libcutils/arch-x86_64/android_memset32.S
View File

@ -13,12 +13,13 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Contributed by: Intel Corporation
*/
#include "cache.h"
#ifndef MEMSET
# define MEMSET android_memset32
#endif
#ifndef L
# define L(label) .L##label
#endif
@ -63,7 +64,7 @@ name: \
.section .text.sse2,"ax",@progbits
ALIGN (4)
ENTRY (android_memset32) // Address in rdi
ENTRY (MEMSET) // Address in rdi
shr $2, %rdx // Count in rdx
movl %esi, %ecx // Pattern in ecx
@ -369,4 +370,4 @@ L(aligned_16_12bytes):
movl %ecx, -4(%rdi)
ret
END (android_memset32)
END (MEMSET)

9
libcutils/arch-x86_64/cache.h
View File

@ -13,19 +13,10 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Contributed by: Intel Corporation
*/
#if defined(__slm__)
/* Values are optimized for Silvermont */
#define SHARED_CACHE_SIZE (1024*1024) /* Silvermont L2 Cache */
#define DATA_CACHE_SIZE (24*1024) /* Silvermont L1 Data Cache */
#else
/* Values are optimized for Atom */
#define SHARED_CACHE_SIZE (512*1024) /* Atom L2 Cache */
#define DATA_CACHE_SIZE (24*1024) /* Atom L1 Data Cache */
#endif
#define SHARED_CACHE_SIZE_HALF (SHARED_CACHE_SIZE / 2)
#define DATA_CACHE_SIZE_HALF (DATA_CACHE_SIZE / 2)