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target/i386: move BSWAP to new decoder 

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-10-13 08:49:04 +02:00
parent 2b8046f361
commit 37861fa519
3 changed files with 23 additions and 1 deletions
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9
target/i386/tcg/decode-new.c.inc
View File

@ -1124,6 +1124,15 @@ static const X86OpEntry opcodes_0F[256] = {
[0xc5] = X86_OP_ENTRY3(PEXTRW, G,d, U,dq,I,b, vex5 mmx p_00_66),
[0xc6] = X86_OP_ENTRY4(VSHUF, V,x, H,x, W,x, vex4 p_00_66),
[0xc8] = X86_OP_ENTRY1(BSWAP, LoBits,y),
[0xc9] = X86_OP_ENTRY1(BSWAP, LoBits,y),
[0xca] = X86_OP_ENTRY1(BSWAP, LoBits,y),
[0xcb] = X86_OP_ENTRY1(BSWAP, LoBits,y),
[0xcc] = X86_OP_ENTRY1(BSWAP, LoBits,y),
[0xcd] = X86_OP_ENTRY1(BSWAP, LoBits,y),
[0xce] = X86_OP_ENTRY1(BSWAP, LoBits,y),
[0xcf] = X86_OP_ENTRY1(BSWAP, LoBits,y),
[0xd0] = X86_OP_ENTRY3(VADDSUB, V,x, H,x, W,x, vex2 cpuid(SSE3) p_66_f2),
[0xd1] = X86_OP_ENTRY3(PSRLW_r, V,x, H,x, W,x, vex4 mmx avx2_256 p_00_66),
[0xd2] = X86_OP_ENTRY3(PSRLD_r, V,x, H,x, W,x, vex4 mmx avx2_256 p_00_66),

11
target/i386/tcg/emit.c.inc
View File

@ -1310,6 +1310,17 @@ static void gen_BOUND(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
}
}
static void gen_BSWAP(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
{
#ifdef TARGET_X86_64
if (s->dflag == MO_64) {
tcg_gen_bswap64_i64(s->T0, s->T0);
return;
}
#endif
tcg_gen_bswap32_tl(s->T0, s->T0, TCG_BSWAP_OZ);
}
static void gen_BZHI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
{
MemOp ot = decode->op[0].ot;

4
target/i386/tcg/translate.c
View File

@ -3207,7 +3207,9 @@ static bool disas_insn(DisasContext *s, CPUState *cpu)
#ifndef CONFIG_USER_ONLY
use_new &= b <= limit;
#endif
if (use_new && (b >= 0x138 && b <= 0x19f)) {
if (use_new &&
((b >= 0x138 && b <= 0x19f) ||
(b >= 0x1c8 && b <= 0x1cf))) {
disas_insn_new(s, cpu, b);
return true;
}