From 37861fa519a97324dbca67ee4c5b23bec21c24db Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 13 Oct 2023 08:49:04 +0200 Subject: [PATCH] target/i386: move BSWAP to new decoder Reviewed-by: Richard Henderson Signed-off-by: Paolo Bonzini --- target/i386/tcg/decode-new.c.inc | 9 +++++++++ target/i386/tcg/emit.c.inc | 11 +++++++++++ target/i386/tcg/translate.c | 4 +++- 3 files changed, 23 insertions(+), 1 deletion(-) diff --git a/target/i386/tcg/decode-new.c.inc b/target/i386/tcg/decode-new.c.inc index c70a783691..16e23ec3d8 100644 --- a/target/i386/tcg/decode-new.c.inc +++ b/target/i386/tcg/decode-new.c.inc @@ -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), diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc index a9e32516af..befde6677b 100644 --- a/target/i386/tcg/emit.c.inc +++ b/target/i386/tcg/emit.c.inc @@ -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; diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index b1c1aecf71..751ec5d0f1 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -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; }