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authorRichard Henderson <rth@twiddle.net>2013-01-23 18:09:43 -0800
committerRichard Henderson <rth@twiddle.net>2013-02-18 15:52:32 -0800
commit0592f74a75ab695efd48a151219667adc0fa7cc4 (patch)
treed6997522a82b9277e269005cd4fa1f97fbe65b35 /target-i386/translate.c
parent5f1f4b177152286102475f9bffc359002a14d9c9 (diff)
target-i386: Implement PDEP, PEXT
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-i386/translate.c')
-rw-r--r--target-i386/translate.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 3017d63163..51016fedd5 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -4138,6 +4138,42 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
}
break;
+ case 0x3f5: /* pdep Gy, By, Ey */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
+ || !(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);
+ /* Note that by zero-extending the mask operand, we
+ automatically handle zero-extending the result. */
+ if (s->dflag == 2) {
+ tcg_gen_mov_tl(cpu_T[1], cpu_regs[s->vex_v]);
+ } else {
+ tcg_gen_ext32u_tl(cpu_T[1], cpu_regs[s->vex_v]);
+ }
+ gen_helper_pdep(cpu_regs[reg], cpu_T[0], cpu_T[1]);
+ break;
+
+ case 0x2f5: /* pext Gy, By, Ey */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
+ || !(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);
+ /* Note that by zero-extending the mask operand, we
+ automatically handle zero-extending the result. */
+ if (s->dflag == 2) {
+ tcg_gen_mov_tl(cpu_T[1], cpu_regs[s->vex_v]);
+ } else {
+ tcg_gen_ext32u_tl(cpu_T[1], cpu_regs[s->vex_v]);
+ }
+ gen_helper_pext(cpu_regs[reg], cpu_T[0], cpu_T[1]);
+ break;
+
case 0x0f3:
case 0x1f3:
case 0x2f3: