target/i386: Rework sse_op_table6/7

Add a flags field each row in sse_op_table6 and sse_op_table7.

Initially this is only used as a replacement for the magic SSE41_SPECIAL
pointer.  The other flags are mostly relevant for the AVX implementation
but can be applied to SSE as well.

Signed-off-by: Paul Brook <paul@nowt.org>
Message-Id: <20220424220204.2493824-6-paul@nowt.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paul Brook 2022-04-24 23:01:27 +01:00 committed by Paolo Bonzini
parent f2dbc28947
commit 491f0f1962

View File

@ -2976,7 +2976,6 @@ static const struct SSEOpHelper_table1 sse_op_table1[256] = {
#undef SSE_SPECIAL
#define MMX_OP2(x) { gen_helper_ ## x ## _mmx, gen_helper_ ## x ## _xmm }
#define SSE_SPECIAL_FN ((void *)1)
static const SSEFunc_0_epp sse_op_table2[3 * 8][2] = {
[0 + 2] = MMX_OP2(psrlw),
@ -3060,113 +3059,134 @@ static const SSEFunc_0_epp sse_op_table5[256] = {
[0xbf] = gen_helper_pavgb_mmx /* pavgusb */
};
struct SSEOpHelper_epp {
struct SSEOpHelper_table6 {
SSEFunc_0_epp op[2];
uint32_t ext_mask;
int flags;
};
struct SSEOpHelper_eppi {
struct SSEOpHelper_table7 {
SSEFunc_0_eppi op[2];
uint32_t ext_mask;
int flags;
};
#define SSSE3_OP(x) { MMX_OP2(x), CPUID_EXT_SSSE3 }
#define SSE41_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_SSE41 }
#define SSE42_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_SSE42 }
#define SSE41_SPECIAL { { NULL, SSE_SPECIAL_FN }, CPUID_EXT_SSE41 }
#define PCLMULQDQ_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, \
CPUID_EXT_PCLMULQDQ }
#define AESNI_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_AES }
#define gen_helper_special_xmm NULL
static const struct SSEOpHelper_epp sse_op_table6[256] = {
[0x00] = SSSE3_OP(pshufb),
[0x01] = SSSE3_OP(phaddw),
[0x02] = SSSE3_OP(phaddd),
[0x03] = SSSE3_OP(phaddsw),
[0x04] = SSSE3_OP(pmaddubsw),
[0x05] = SSSE3_OP(phsubw),
[0x06] = SSSE3_OP(phsubd),
[0x07] = SSSE3_OP(phsubsw),
[0x08] = SSSE3_OP(psignb),
[0x09] = SSSE3_OP(psignw),
[0x0a] = SSSE3_OP(psignd),
[0x0b] = SSSE3_OP(pmulhrsw),
[0x10] = SSE41_OP(pblendvb),
[0x14] = SSE41_OP(blendvps),
[0x15] = SSE41_OP(blendvpd),
[0x17] = SSE41_OP(ptest),
[0x1c] = SSSE3_OP(pabsb),
[0x1d] = SSSE3_OP(pabsw),
[0x1e] = SSSE3_OP(pabsd),
[0x20] = SSE41_OP(pmovsxbw),
[0x21] = SSE41_OP(pmovsxbd),
[0x22] = SSE41_OP(pmovsxbq),
[0x23] = SSE41_OP(pmovsxwd),
[0x24] = SSE41_OP(pmovsxwq),
[0x25] = SSE41_OP(pmovsxdq),
[0x28] = SSE41_OP(pmuldq),
[0x29] = SSE41_OP(pcmpeqq),
[0x2a] = SSE41_SPECIAL, /* movntqda */
[0x2b] = SSE41_OP(packusdw),
[0x30] = SSE41_OP(pmovzxbw),
[0x31] = SSE41_OP(pmovzxbd),
[0x32] = SSE41_OP(pmovzxbq),
[0x33] = SSE41_OP(pmovzxwd),
[0x34] = SSE41_OP(pmovzxwq),
[0x35] = SSE41_OP(pmovzxdq),
[0x37] = SSE42_OP(pcmpgtq),
[0x38] = SSE41_OP(pminsb),
[0x39] = SSE41_OP(pminsd),
[0x3a] = SSE41_OP(pminuw),
[0x3b] = SSE41_OP(pminud),
[0x3c] = SSE41_OP(pmaxsb),
[0x3d] = SSE41_OP(pmaxsd),
[0x3e] = SSE41_OP(pmaxuw),
[0x3f] = SSE41_OP(pmaxud),
[0x40] = SSE41_OP(pmulld),
[0x41] = SSE41_OP(phminposuw),
[0xdb] = AESNI_OP(aesimc),
[0xdc] = AESNI_OP(aesenc),
[0xdd] = AESNI_OP(aesenclast),
[0xde] = AESNI_OP(aesdec),
[0xdf] = AESNI_OP(aesdeclast),
#define OP(name, op, flags, ext, mmx_name) \
{{mmx_name, gen_helper_ ## name ## _xmm}, CPUID_EXT_ ## ext, flags}
#define BINARY_OP_MMX(name, ext) \
OP(name, op1, SSE_OPF_MMX, ext, gen_helper_ ## name ## _mmx)
#define BINARY_OP(name, ext, flags) \
OP(name, op1, flags, ext, NULL)
#define UNARY_OP_MMX(name, ext) \
OP(name, op1, SSE_OPF_MMX, ext, gen_helper_ ## name ## _mmx)
#define UNARY_OP(name, ext, flags) \
OP(name, op1, flags, ext, NULL)
#define BLENDV_OP(name, ext, flags) OP(name, op1, 0, ext, NULL)
#define CMP_OP(name, ext) OP(name, op1, SSE_OPF_CMP, ext, NULL)
#define SPECIAL_OP(ext) OP(special, op1, SSE_OPF_SPECIAL, ext, NULL)
/* prefix [66] 0f 38 */
static const struct SSEOpHelper_table6 sse_op_table6[256] = {
[0x00] = BINARY_OP_MMX(pshufb, SSSE3),
[0x01] = BINARY_OP_MMX(phaddw, SSSE3),
[0x02] = BINARY_OP_MMX(phaddd, SSSE3),
[0x03] = BINARY_OP_MMX(phaddsw, SSSE3),
[0x04] = BINARY_OP_MMX(pmaddubsw, SSSE3),
[0x05] = BINARY_OP_MMX(phsubw, SSSE3),
[0x06] = BINARY_OP_MMX(phsubd, SSSE3),
[0x07] = BINARY_OP_MMX(phsubsw, SSSE3),
[0x08] = BINARY_OP_MMX(psignb, SSSE3),
[0x09] = BINARY_OP_MMX(psignw, SSSE3),
[0x0a] = BINARY_OP_MMX(psignd, SSSE3),
[0x0b] = BINARY_OP_MMX(pmulhrsw, SSSE3),
[0x10] = BLENDV_OP(pblendvb, SSE41, SSE_OPF_MMX),
[0x14] = BLENDV_OP(blendvps, SSE41, 0),
[0x15] = BLENDV_OP(blendvpd, SSE41, 0),
[0x17] = CMP_OP(ptest, SSE41),
[0x1c] = UNARY_OP_MMX(pabsb, SSSE3),
[0x1d] = UNARY_OP_MMX(pabsw, SSSE3),
[0x1e] = UNARY_OP_MMX(pabsd, SSSE3),
[0x20] = UNARY_OP(pmovsxbw, SSE41, SSE_OPF_MMX),
[0x21] = UNARY_OP(pmovsxbd, SSE41, SSE_OPF_MMX),
[0x22] = UNARY_OP(pmovsxbq, SSE41, SSE_OPF_MMX),
[0x23] = UNARY_OP(pmovsxwd, SSE41, SSE_OPF_MMX),
[0x24] = UNARY_OP(pmovsxwq, SSE41, SSE_OPF_MMX),
[0x25] = UNARY_OP(pmovsxdq, SSE41, SSE_OPF_MMX),
[0x28] = BINARY_OP(pmuldq, SSE41, SSE_OPF_MMX),
[0x29] = BINARY_OP(pcmpeqq, SSE41, SSE_OPF_MMX),
[0x2a] = SPECIAL_OP(SSE41), /* movntqda */
[0x2b] = BINARY_OP(packusdw, SSE41, SSE_OPF_MMX),
[0x30] = UNARY_OP(pmovzxbw, SSE41, SSE_OPF_MMX),
[0x31] = UNARY_OP(pmovzxbd, SSE41, SSE_OPF_MMX),
[0x32] = UNARY_OP(pmovzxbq, SSE41, SSE_OPF_MMX),
[0x33] = UNARY_OP(pmovzxwd, SSE41, SSE_OPF_MMX),
[0x34] = UNARY_OP(pmovzxwq, SSE41, SSE_OPF_MMX),
[0x35] = UNARY_OP(pmovzxdq, SSE41, SSE_OPF_MMX),
[0x37] = BINARY_OP(pcmpgtq, SSE41, SSE_OPF_MMX),
[0x38] = BINARY_OP(pminsb, SSE41, SSE_OPF_MMX),
[0x39] = BINARY_OP(pminsd, SSE41, SSE_OPF_MMX),
[0x3a] = BINARY_OP(pminuw, SSE41, SSE_OPF_MMX),
[0x3b] = BINARY_OP(pminud, SSE41, SSE_OPF_MMX),
[0x3c] = BINARY_OP(pmaxsb, SSE41, SSE_OPF_MMX),
[0x3d] = BINARY_OP(pmaxsd, SSE41, SSE_OPF_MMX),
[0x3e] = BINARY_OP(pmaxuw, SSE41, SSE_OPF_MMX),
[0x3f] = BINARY_OP(pmaxud, SSE41, SSE_OPF_MMX),
[0x40] = BINARY_OP(pmulld, SSE41, SSE_OPF_MMX),
[0x41] = UNARY_OP(phminposuw, SSE41, 0),
[0xdb] = UNARY_OP(aesimc, AES, 0),
[0xdc] = BINARY_OP(aesenc, AES, 0),
[0xdd] = BINARY_OP(aesenclast, AES, 0),
[0xde] = BINARY_OP(aesdec, AES, 0),
[0xdf] = BINARY_OP(aesdeclast, AES, 0),
};
static const struct SSEOpHelper_eppi sse_op_table7[256] = {
[0x08] = SSE41_OP(roundps),
[0x09] = SSE41_OP(roundpd),
[0x0a] = SSE41_OP(roundss),
[0x0b] = SSE41_OP(roundsd),
[0x0c] = SSE41_OP(blendps),
[0x0d] = SSE41_OP(blendpd),
[0x0e] = SSE41_OP(pblendw),
[0x0f] = SSSE3_OP(palignr),
[0x14] = SSE41_SPECIAL, /* pextrb */
[0x15] = SSE41_SPECIAL, /* pextrw */
[0x16] = SSE41_SPECIAL, /* pextrd/pextrq */
[0x17] = SSE41_SPECIAL, /* extractps */
[0x20] = SSE41_SPECIAL, /* pinsrb */
[0x21] = SSE41_SPECIAL, /* insertps */
[0x22] = SSE41_SPECIAL, /* pinsrd/pinsrq */
[0x40] = SSE41_OP(dpps),
[0x41] = SSE41_OP(dppd),
[0x42] = SSE41_OP(mpsadbw),
[0x44] = PCLMULQDQ_OP(pclmulqdq),
[0x60] = SSE42_OP(pcmpestrm),
[0x61] = SSE42_OP(pcmpestri),
[0x62] = SSE42_OP(pcmpistrm),
[0x63] = SSE42_OP(pcmpistri),
[0xdf] = AESNI_OP(aeskeygenassist),
/* prefix [66] 0f 3a */
static const struct SSEOpHelper_table7 sse_op_table7[256] = {
[0x08] = UNARY_OP(roundps, SSE41, 0),
[0x09] = UNARY_OP(roundpd, SSE41, 0),
[0x0a] = UNARY_OP(roundss, SSE41, SSE_OPF_SCALAR),
[0x0b] = UNARY_OP(roundsd, SSE41, SSE_OPF_SCALAR),
[0x0c] = BINARY_OP(blendps, SSE41, 0),
[0x0d] = BINARY_OP(blendpd, SSE41, 0),
[0x0e] = BINARY_OP(pblendw, SSE41, SSE_OPF_MMX),
[0x0f] = BINARY_OP_MMX(palignr, SSSE3),
[0x14] = SPECIAL_OP(SSE41), /* pextrb */
[0x15] = SPECIAL_OP(SSE41), /* pextrw */
[0x16] = SPECIAL_OP(SSE41), /* pextrd/pextrq */
[0x17] = SPECIAL_OP(SSE41), /* extractps */
[0x20] = SPECIAL_OP(SSE41), /* pinsrb */
[0x21] = SPECIAL_OP(SSE41), /* insertps */
[0x22] = SPECIAL_OP(SSE41), /* pinsrd/pinsrq */
[0x40] = BINARY_OP(dpps, SSE41, 0),
[0x41] = BINARY_OP(dppd, SSE41, 0),
[0x42] = BINARY_OP(mpsadbw, SSE41, SSE_OPF_MMX),
[0x44] = BINARY_OP(pclmulqdq, PCLMULQDQ, 0),
[0x60] = CMP_OP(pcmpestrm, SSE42),
[0x61] = CMP_OP(pcmpestri, SSE42),
[0x62] = CMP_OP(pcmpistrm, SSE42),
[0x63] = CMP_OP(pcmpistri, SSE42),
[0xdf] = UNARY_OP(aeskeygenassist, AES, 0),
};
#undef OP
#undef BINARY_OP_MMX
#undef BINARY_OP
#undef UNARY_OP_MMX
#undef UNARY_OP
#undef BLENDV_OP
#undef SPECIAL_OP
static void gen_sse(CPUX86State *env, DisasContext *s, int b,
target_ulong pc_start)
{
int b1, op1_offset, op2_offset, is_xmm, val;
int modrm, mod, rm, reg;
int sse_op_flags;
const struct SSEOpHelper_table6 *op6;
const struct SSEOpHelper_table7 *op7;
SSEFunc_0_epp sse_fn_epp;
SSEFunc_0_eppi sse_fn_eppi;
SSEFunc_0_ppi sse_fn_ppi;
SSEFunc_0_eppt sse_fn_eppt;
MemOp ot;
@ -3821,12 +3841,13 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
mod = (modrm >> 6) & 3;
assert(b1 < 2);
sse_fn_epp = sse_op_table6[b].op[b1];
if (!sse_fn_epp) {
op6 = &sse_op_table6[b];
if (op6->ext_mask == 0) {
goto unknown_op;
}
if (!(s->cpuid_ext_features & sse_op_table6[b].ext_mask))
if (!(s->cpuid_ext_features & op6->ext_mask)) {
goto illegal_op;
}
if (b1) {
op1_offset = ZMM_OFFSET(reg);
@ -3863,6 +3884,9 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
}
}
} else {
if ((op6->flags & SSE_OPF_MMX) == 0) {
goto unknown_op;
}
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
if (mod == 3) {
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
@ -3872,13 +3896,13 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
gen_ldq_env_A0(s, op2_offset);
}
}
if (sse_fn_epp == SSE_SPECIAL_FN) {
goto unknown_op;
if (!op6->op[b1]) {
goto illegal_op;
}
tcg_gen_addi_ptr(s->ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(s->ptr1, cpu_env, op2_offset);
sse_fn_epp(cpu_env, s->ptr0, s->ptr1);
op6->op[b1](cpu_env, s->ptr0, s->ptr1);
if (b == 0x17) {
set_cc_op(s, CC_OP_EFLAGS);
@ -4249,16 +4273,21 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
mod = (modrm >> 6) & 3;
assert(b1 < 2);
sse_fn_eppi = sse_op_table7[b].op[b1];
if (!sse_fn_eppi) {
op7 = &sse_op_table7[b];
if (op7->ext_mask == 0) {
goto unknown_op;
}
if (!(s->cpuid_ext_features & sse_op_table7[b].ext_mask))
if (!(s->cpuid_ext_features & op7->ext_mask)) {
goto illegal_op;
}
s->rip_offset = 1;
if (sse_fn_eppi == SSE_SPECIAL_FN) {
if (op7->flags & SSE_OPF_SPECIAL) {
/* None of the "special" ops are valid on mmx registers */
if (b1 == 0) {
goto illegal_op;
}
ot = mo_64_32(s->dflag);
rm = (modrm & 7) | REX_B(s);
if (mod != 3)
@ -4403,6 +4432,9 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
gen_ldo_env_A0(s, op2_offset);
}
} else {
if ((op7->flags & SSE_OPF_MMX) == 0) {
goto illegal_op;
}
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
if (mod == 3) {
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
@ -4425,7 +4457,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
tcg_gen_addi_ptr(s->ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(s->ptr1, cpu_env, op2_offset);
sse_fn_eppi(cpu_env, s->ptr0, s->ptr1, tcg_const_i32(val));
op7->op[b1](cpu_env, s->ptr0, s->ptr1, tcg_const_i32(val));
break;
case 0x33a: