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[Qemu-devel] [PATCH 53/57] target-i386: Implement RORX
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 53/57] target-i386: Implement RORX |
Date: |
Tue, 19 Feb 2013 09:40:27 -0800 |
Signed-off-by: Richard Henderson <address@hidden>
---
target-i386/translate.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/target-i386/translate.c b/target-i386/translate.c
index c1a2886..68e30e6 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -4433,6 +4433,38 @@ static void gen_sse(CPUX86State *env, DisasContext *s,
int b,
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
sse_fn_eppi(cpu_env, cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
break;
+
+ case 0x33a:
+ /* Various integer extensions at 0f 3a f[0-f]. */
+ b = modrm | (b1 << 8);
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+
+ switch (b) {
+ case 0x3f0: /* rorx Gy,Ey, Ib */
+ 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);
+ b = cpu_ldub_code(env, s->pc++);
+ if (ot == OT_QUAD) {
+ tcg_gen_rotri_tl(cpu_T[0], cpu_T[0], b & 63);
+ } else {
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
+ tcg_gen_rotri_i32(cpu_tmp2_i32, cpu_tmp2_i32, b & 31);
+ tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
+ }
+ gen_op_mov_reg_T0(ot, reg);
+ break;
+
+ default:
+ goto illegal_op;
+ }
+ break;
+
default:
goto illegal_op;
}
--
1.8.1.2
- [Qemu-devel] [PATCH 14/57] target-i386: Introduce set_cc_op, (continued)
- [Qemu-devel] [PATCH 14/57] target-i386: Introduce set_cc_op, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 55/57] target-i386: Use clz/ctz for bsf/bsr helpers, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 10/57] target-i386: clean up sahf, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 13/57] target-i386: Name the cc_op enumeration, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 11/57] target-i386: use gen_jcc1 to compile loopz, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 34/57] target-i386: expand cmov via movcond, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 07/57] target-i386: move carry computation for inc/dec closer to gen_op_set_cc_op, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 57/57] target-i386: Add CC_OP_CLR, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 29/57] target-i386: introduce gen_prepare_cc, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 21/57] target-i386: do not call helper to compute ZF/SF, Richard Henderson, 2013/02/19
- [Qemu-devel] [PATCH 53/57] target-i386: Implement RORX,
Richard Henderson <=
- [Qemu-devel] [PATCH 15/57] target-i386: Don't clobber s->cc_op in gen_update_cc_op, Richard Henderson, 2013/02/19