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am bc014afb: Merge "Switch arch-arm/memset32.S to unified syntax." 

* commit 'bc014afbfa46cdf6c24a7812cb28c9c553b28805':
  Switch arch-arm/memset32.S to unified syntax.
This commit is contained in:
Elliott Hughes 2015-05-12 14:56:46 +00:00 committed by Android Git Automerger
parent 5848c4589a bc014afbfa
commit 6b92181a3d
2 changed files with 11 additions and 12 deletions
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3
libcutils/Android.mk
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@ -106,9 +106,6 @@ LOCAL_SRC_FILES := $(commonSources) \
trace-dev.c \
uevent.c \
# arch-arm/memset32.S does not compile with Clang.
LOCAL_CLANG_ASFLAGS_arm += -no-integrated-as
LOCAL_SRC_FILES_arm += arch-arm/memset32.S
LOCAL_SRC_FILES_arm64 += arch-arm64/android_memset.S

20
libcutils/arch-arm/memset32.S
View File

@ -18,6 +18,8 @@
*
*/
.syntax unified
.text
.align
@ -45,7 +47,7 @@ android_memset16:
/* align to 32 bits */
tst r0, #2
strneh r1, [r0], #2
strhne r1, [r0], #2
subne r2, r2, #2
.fnend
@ -68,27 +70,27 @@ android_memset32:
/* conditionally writes 0 to 7 words (length in r3) */
movs r3, r3, lsl #28
stmcsia r0!, {r1, lr}
stmcsia r0!, {r1, lr}
stmmiia r0!, {r1, lr}
stmiacs r0!, {r1, lr}
stmiacs r0!, {r1, lr}
stmiami r0!, {r1, lr}
movs r3, r3, lsl #2
strcs r1, [r0], #4
.Laligned32:
mov r3, r1
1: subs r2, r2, #32
stmhsia r0!, {r1,r3,r12,lr}
stmhsia r0!, {r1,r3,r12,lr}
stmiahs r0!, {r1,r3,r12,lr}
stmiahs r0!, {r1,r3,r12,lr}
bhs 1b
add r2, r2, #32
/* conditionally stores 0 to 30 bytes */
movs r2, r2, lsl #28
stmcsia r0!, {r1,r3,r12,lr}
stmmiia r0!, {r1,lr}
stmiacs r0!, {r1,r3,r12,lr}
stmiami r0!, {r1,lr}
movs r2, r2, lsl #2
strcs r1, [r0], #4
strmih lr, [r0], #2
strhmi lr, [r0], #2
ldr lr, [sp], #4
.cfi_def_cfa_offset 0