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authorRichard Henderson <rth@twiddle.net>2013-01-23 16:17:10 -0800
committerRichard Henderson <rth@twiddle.net>2013-02-18 15:39:39 -0800
commit7073fbada733c8d10992f00772c9b9299d740e9b (patch)
tree84a742dbc6dad10feacaa6f586d9ce2341b9116f
parent111994ee05b810d81dc6abea7fac5280e48dc198 (diff)
target-i386: Implement ANDN
As this is the first of the BMI insns to be implemented, this carries quite a bit more baggage than normal. Signed-off-by: Richard Henderson <rth@twiddle.net>
-rw-r--r--target-i386/cpu.c10
-rw-r--r--target-i386/translate.c19
2 files changed, 22 insertions, 7 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 0f195337cb..0cb64ab583 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -406,12 +406,12 @@ typedef struct x86_def_t {
#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
#define TCG_SVM_FEATURES 0
-#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP)
+#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP \
+ CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2)
/* missing:
- CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_BMI1, CPUID_7_0_EBX_HLE,
- CPUID_7_0_EBX_AVX2, CPUID_7_0_EBX_BMI2, CPUID_7_0_EBX_ERMS,
- CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM, CPUID_7_0_EBX_RDSEED,
- CPUID_7_0_EBX_ADX */
+ CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
+ CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
+ CPUID_7_0_EBX_RDSEED, CPUID_7_0_EBX_ADX */
/* built-in CPU model definitions
*/
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 5a91ff184a..01ff13154d 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -2955,8 +2955,9 @@ static const SSEFunc_0_epp sse_op_table1[256][4] = {
[0xc6] = { (SSEFunc_0_epp)gen_helper_shufps,
(SSEFunc_0_epp)gen_helper_shufpd }, /* XXX: casts */
- [0x38] = { SSE_SPECIAL, SSE_SPECIAL, NULL, SSE_SPECIAL }, /* SSSE3/SSE4 */
- [0x3a] = { SSE_SPECIAL, SSE_SPECIAL }, /* SSSE3/SSE4 */
+ /* SSSE3, SSE4, MOVBE, CRC32, BMI1, BMI2, ADX. */
+ [0x38] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
+ [0x3a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
/* MMX ops and their SSE extensions */
[0x60] = MMX_OP2(punpcklbw),
@@ -4011,6 +4012,20 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
}
break;
+ case 0x0f2: /* andn Gy, By, Ey */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI1)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = s->dflag == 2 ? OT_QUAD : OT_LONG;
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ tcg_gen_andc_tl(cpu_T[0], cpu_regs[s->vex_v], cpu_T[0]);
+ gen_op_mov_reg_T0(ot, reg);
+ gen_op_update1_cc();
+ set_cc_op(s, CC_OP_LOGICB + ot);
+ break;
+
default:
goto illegal_op;
}