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Implement x86 SSSE3 instructions. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5315 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2008-09-25 18:01:46 +00:00
parent bb332cb234
commit 4242b1bd8a
3 changed files with 272 additions and 4 deletions
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147
target-i386/ops_sse.h
View File

@ -1,5 +1,5 @@
/*
* MMX/3DNow!/SSE/SSE2/SSE3/PNI support
* MMX/3DNow!/SSE/SSE2/SSE3/SSSE3/PNI support
*
* Copyright (c) 2005 Fabrice Bellard
*
@ -1275,6 +1275,151 @@ void helper_pswapd(MMXReg *d, MMXReg *s)
}
#endif
/* SSSE3 op helpers */
void glue(helper_pshufb, SUFFIX) (Reg *d, Reg *s)
{
int i;
Reg r;
for (i = 0; i < (8 << SHIFT); i++)
r.B(i) = (s->B(i) & 0x80) ? 0 : (d->B(s->B(i) & ((8 << SHIFT) - 1)));
*d = r;
}
void glue(helper_phaddw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = (int16_t)d->W(0) + (int16_t)d->W(1);
d->W(1) = (int16_t)d->W(2) + (int16_t)d->W(3);
XMM_ONLY(d->W(2) = (int16_t)d->W(4) + (int16_t)d->W(5));
XMM_ONLY(d->W(3) = (int16_t)d->W(6) + (int16_t)d->W(7));
d->W((2 << SHIFT) + 0) = (int16_t)s->W(0) + (int16_t)s->W(1);
d->W((2 << SHIFT) + 1) = (int16_t)s->W(2) + (int16_t)s->W(3);
XMM_ONLY(d->W(6) = (int16_t)s->W(4) + (int16_t)s->W(5));
XMM_ONLY(d->W(7) = (int16_t)s->W(6) + (int16_t)s->W(7));
}
void glue(helper_phaddd, SUFFIX) (Reg *d, Reg *s)
{
d->L(0) = (int32_t)d->L(0) + (int32_t)d->L(1);
XMM_ONLY(d->L(1) = (int32_t)d->L(2) + (int32_t)d->L(3));
d->L((1 << SHIFT) + 0) = (int32_t)s->L(0) + (int32_t)s->L(1);
XMM_ONLY(d->L(3) = (int32_t)s->L(2) + (int32_t)s->L(3));
}
void glue(helper_phaddsw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = satsw((int16_t)d->W(0) + (int16_t)d->W(1));
d->W(1) = satsw((int16_t)d->W(2) + (int16_t)d->W(3));
XMM_ONLY(d->W(2) = satsw((int16_t)d->W(4) + (int16_t)d->W(5)));
XMM_ONLY(d->W(3) = satsw((int16_t)d->W(6) + (int16_t)d->W(7)));
d->W((2 << SHIFT) + 0) = satsw((int16_t)s->W(0) + (int16_t)s->W(1));
d->W((2 << SHIFT) + 1) = satsw((int16_t)s->W(2) + (int16_t)s->W(3));
XMM_ONLY(d->W(6) = satsw((int16_t)s->W(4) + (int16_t)s->W(5)));
XMM_ONLY(d->W(7) = satsw((int16_t)s->W(6) + (int16_t)s->W(7)));
}
void glue(helper_pmaddubsw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = satsw((int8_t)s->B( 0) * (uint8_t)d->B( 0) +
(int8_t)s->B( 1) * (uint8_t)d->B( 1));
d->W(1) = satsw((int8_t)s->B( 2) * (uint8_t)d->B( 2) +
(int8_t)s->B( 3) * (uint8_t)d->B( 3));
d->W(2) = satsw((int8_t)s->B( 4) * (uint8_t)d->B( 4) +
(int8_t)s->B( 5) * (uint8_t)d->B( 5));
d->W(3) = satsw((int8_t)s->B( 6) * (uint8_t)d->B( 6) +
(int8_t)s->B( 7) * (uint8_t)d->B( 7));
#if SHIFT == 1
d->W(4) = satsw((int8_t)s->B( 8) * (uint8_t)d->B( 8) +
(int8_t)s->B( 9) * (uint8_t)d->B( 9));
d->W(5) = satsw((int8_t)s->B(10) * (uint8_t)d->B(10) +
(int8_t)s->B(11) * (uint8_t)d->B(11));
d->W(6) = satsw((int8_t)s->B(12) * (uint8_t)d->B(12) +
(int8_t)s->B(13) * (uint8_t)d->B(13));
d->W(7) = satsw((int8_t)s->B(14) * (uint8_t)d->B(14) +
(int8_t)s->B(15) * (uint8_t)d->B(15));
#endif
}
void glue(helper_phsubw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = (int16_t)d->W(0) - (int16_t)d->W(1);
d->W(1) = (int16_t)d->W(2) - (int16_t)d->W(3);
XMM_ONLY(d->W(2) = (int16_t)d->W(4) - (int16_t)d->W(5));
XMM_ONLY(d->W(3) = (int16_t)d->W(6) - (int16_t)d->W(7));
d->W((2 << SHIFT) + 0) = (int16_t)s->W(0) - (int16_t)s->W(1);
d->W((2 << SHIFT) + 1) = (int16_t)s->W(2) - (int16_t)s->W(3);
XMM_ONLY(d->W(6) = (int16_t)s->W(4) - (int16_t)s->W(5));
XMM_ONLY(d->W(7) = (int16_t)s->W(6) - (int16_t)s->W(7));
}
void glue(helper_phsubd, SUFFIX) (Reg *d, Reg *s)
{
d->L(0) = (int32_t)d->L(0) - (int32_t)d->L(1);
XMM_ONLY(d->L(1) = (int32_t)d->L(2) - (int32_t)d->L(3));
d->L((1 << SHIFT) + 0) = (int32_t)s->L(0) - (int32_t)s->L(1);
XMM_ONLY(d->L(3) = (int32_t)s->L(2) - (int32_t)s->L(3));
}
void glue(helper_phsubsw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = satsw((int16_t)d->W(0) - (int16_t)d->W(1));
d->W(1) = satsw((int16_t)d->W(2) - (int16_t)d->W(3));
XMM_ONLY(d->W(2) = satsw((int16_t)d->W(4) - (int16_t)d->W(5)));
XMM_ONLY(d->W(3) = satsw((int16_t)d->W(6) - (int16_t)d->W(7)));
d->W((2 << SHIFT) + 0) = satsw((int16_t)s->W(0) - (int16_t)s->W(1));
d->W((2 << SHIFT) + 1) = satsw((int16_t)s->W(2) - (int16_t)s->W(3));
XMM_ONLY(d->W(6) = satsw((int16_t)s->W(4) - (int16_t)s->W(5)));
XMM_ONLY(d->W(7) = satsw((int16_t)s->W(6) - (int16_t)s->W(7)));
}
#define FABSB(_, x) x > INT8_MAX ? -(int8_t ) x : x
#define FABSW(_, x) x > INT16_MAX ? -(int16_t) x : x
#define FABSL(_, x) x > INT32_MAX ? -(int32_t) x : x
SSE_HELPER_B(helper_pabsb, FABSB)
SSE_HELPER_W(helper_pabsw, FABSW)
SSE_HELPER_L(helper_pabsd, FABSL)
#define FMULHRSW(d, s) ((int16_t) d * (int16_t) s + 0x4000) >> 15
SSE_HELPER_W(helper_pmulhrsw, FMULHRSW)
#define FSIGNB(d, s) s <= INT8_MAX ? s ? d : 0 : -(int8_t ) d
#define FSIGNW(d, s) s <= INT16_MAX ? s ? d : 0 : -(int16_t) d
#define FSIGNL(d, s) s <= INT32_MAX ? s ? d : 0 : -(int32_t) d
SSE_HELPER_B(helper_psignb, FSIGNB)
SSE_HELPER_W(helper_psignw, FSIGNW)
SSE_HELPER_L(helper_psignd, FSIGNL)
void glue(helper_palignr, SUFFIX) (Reg *d, Reg *s, int32_t shift)
{
Reg r;
/* XXX could be checked during translation */
if (shift >= (16 << SHIFT)) {
r.Q(0) = 0;
XMM_ONLY(r.Q(1) = 0);
} else {
shift <<= 3;
#define SHR(v, i) (i < 64 && i > -64 ? i > 0 ? v >> (i) : (v << -(i)) : 0)
#if SHIFT == 0
r.Q(0) = SHR(s->Q(0), shift - 0) |
SHR(d->Q(0), shift - 64);
#else
r.Q(0) = SHR(s->Q(0), shift - 0) |
SHR(s->Q(1), shift - 64) |
SHR(d->Q(0), shift - 128) |
SHR(d->Q(1), shift - 192);
r.Q(1) = SHR(s->Q(0), shift + 64) |
SHR(s->Q(1), shift - 0) |
SHR(d->Q(0), shift - 64) |
SHR(d->Q(1), shift - 128);
#endif
#undef SHR
}
*d = r;
}
#undef SHIFT
#undef XMM_ONLY
#undef Reg

20
target-i386/ops_sse_header.h
View File

@ -1,5 +1,5 @@
/*
* MMX/3DNow!/SSE/SSE2/SSE3/PNI support
* MMX/3DNow!/SSE/SSE2/SSE3/SSSE3/PNI support
*
* Copyright (c) 2005 Fabrice Bellard
*
@ -251,6 +251,24 @@ DEF_HELPER(void, helper_pfsubr, (MMXReg *d, MMXReg *s))
DEF_HELPER(void, helper_pswapd, (MMXReg *d, MMXReg *s))
#endif
/* SSSE3 op helpers */
DEF_HELPER(void, glue(helper_phaddw, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_phaddd, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_phaddsw, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_phsubw, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_phsubd, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_phsubsw, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_pabsb, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_pabsw, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_pabsd, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_pmaddubsw, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_pmulhrsw, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_pshufb, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_psignb, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_psignw, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_psignd, SUFFIX), (Reg *d, Reg *s))
DEF_HELPER(void, glue(helper_palignr, SUFFIX), (Reg *d, Reg *s, int32_t shift))
#undef SHIFT
#undef Reg
#undef SUFFIX

109
target-i386/translate.c
View File

@ -2770,6 +2770,9 @@ static void *sse_op_table1[256][4] = {
[0xc2] = SSE_FOP(cmpeq),
[0xc6] = { helper_shufps, helper_shufpd },
[0x38] = { SSE_SPECIAL, SSE_SPECIAL }, /* SSSE3 */
[0x3a] = { SSE_SPECIAL, SSE_SPECIAL }, /* SSSE3 */
/* MMX ops and their SSE extensions */
[0x60] = MMX_OP2(punpcklbw),
[0x61] = MMX_OP2(punpcklwd),
@ -2921,6 +2924,28 @@ static void *sse_op_table5[256] = {
[0xbf] = helper_pavgb_mmx /* pavgusb */
};
static void *sse_op_table6[256][2] = {
[0x00] = MMX_OP2(pshufb),
[0x01] = MMX_OP2(phaddw),
[0x02] = MMX_OP2(phaddd),
[0x03] = MMX_OP2(phaddsw),
[0x04] = MMX_OP2(pmaddubsw),
[0x05] = MMX_OP2(phsubw),
[0x06] = MMX_OP2(phsubd),
[0x07] = MMX_OP2(phsubsw),
[0x08] = MMX_OP2(psignb),
[0x09] = MMX_OP2(psignw),
[0x0a] = MMX_OP2(psignd),
[0x0b] = MMX_OP2(pmulhrsw),
[0x1c] = MMX_OP2(pabsb),
[0x1d] = MMX_OP2(pabsw),
[0x1e] = MMX_OP2(pabsd),
};
static void *sse_op_table7[256][2] = {
[0x0f] = MMX_OP2(palignr),
};
static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r)
{
int b1, op1_offset, op2_offset, is_xmm, val, ot;
@ -2960,7 +2985,8 @@ static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r)
return;
}
if (is_xmm && !(s->flags & HF_OSFXSR_MASK))
goto illegal_op;
if ((b != 0x38 && b != 0x3a) || (s->prefix & PREFIX_DATA))
goto illegal_op;
if (b == 0x0e) {
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
goto illegal_op;
@ -3482,6 +3508,84 @@ static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r)
reg = ((modrm >> 3) & 7) | rex_r;
gen_op_mov_reg_T0(OT_LONG, reg);
break;
case 0x038:
case 0x138:
if (!(s->cpuid_ext_features & CPUID_EXT_SSSE3))
goto illegal_op;
b = modrm;
modrm = ldub_code(s->pc++);
rm = modrm & 7;
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
sse_op2 = sse_op_table6[b][b1];
if (!sse_op2)
goto illegal_op;
if (b1) {
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
if (mod == 3) {
op2_offset = offsetof(CPUX86State,xmm_regs[rm | REX_B(s)]);
} else {
op2_offset = offsetof(CPUX86State,xmm_t0);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldo_env_A0(s->mem_index, op2_offset);
}
} else {
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
if (mod == 3) {
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
} else {
op2_offset = offsetof(CPUX86State,mmx_t0);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldq_env_A0(s->mem_index, op2_offset);
}
}
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
break;
case 0x03a:
case 0x13a:
if (!(s->cpuid_ext_features & CPUID_EXT_SSSE3))
goto illegal_op;
b = modrm;
modrm = ldub_code(s->pc++);
rm = modrm & 7;
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
sse_op2 = sse_op_table7[b][b1];
if (!sse_op2)
goto illegal_op;
if (b1) {
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
if (mod == 3) {
op2_offset = offsetof(CPUX86State,xmm_regs[rm | REX_B(s)]);
} else {
op2_offset = offsetof(CPUX86State,xmm_t0);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldo_env_A0(s->mem_index, op2_offset);
}
} else {
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
if (mod == 3) {
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
} else {
op2_offset = offsetof(CPUX86State,mmx_t0);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldq_env_A0(s->mem_index, op2_offset);
}
}
val = ldub_code(s->pc++);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
break;
default:
goto illegal_op;
}
@ -6987,7 +7091,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
gen_eob(s);
}
break;
/* MMX/3DNow!/SSE/SSE2/SSE3 support */
/* MMX/3DNow!/SSE/SSE2/SSE3/SSSE3 support */
case 0x1c3: /* MOVNTI reg, mem */
if (!(s->cpuid_features & CPUID_SSE2))
goto illegal_op;
@ -7100,6 +7204,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
s->prefix &= ~(PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA);
case 0x110 ... 0x117:
case 0x128 ... 0x12f:
case 0x138 ... 0x13a:
case 0x150 ... 0x177:
case 0x17c ... 0x17f:
case 0x1c2: