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[Qemu-devel] [PATCH 14/15] target-ppc: Use tcg_gen_extract_*
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 14/15] target-ppc: Use tcg_gen_extract_* |
Date: |
Sat, 15 Oct 2016 20:37:49 -0700 |
Use the new primitives for RDWINM and RLDICL.
Cc: address@hidden
Signed-off-by: Richard Henderson <address@hidden>
---
target-ppc/translate.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index bfc1301..724d95c 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1977,9 +1977,8 @@ static void gen_rlwinm(DisasContext *ctx)
if (mb == 0 && me == (31 - sh)) {
tcg_gen_shli_tl(t_ra, t_rs, sh);
tcg_gen_ext32u_tl(t_ra, t_ra);
- } else if (sh != 0 && me == 31 && sh == (32 - mb)) {
- tcg_gen_ext32u_tl(t_ra, t_rs);
- tcg_gen_shri_tl(t_ra, t_ra, mb);
+ } else if (me == 31 && (me - mb + 1) + sh <= 32) {
+ tcg_gen_extract_tl(t_ra, t_rs, sh, me - mb + 1);
} else {
target_ulong mask;
#if defined(TARGET_PPC64)
@@ -2094,8 +2093,8 @@ static void gen_rldinm(DisasContext *ctx, int mb, int me,
int sh)
if (sh != 0 && mb == 0 && me == (63 - sh)) {
tcg_gen_shli_tl(t_ra, t_rs, sh);
- } else if (sh != 0 && me == 63 && sh == (64 - mb)) {
- tcg_gen_shri_tl(t_ra, t_rs, mb);
+ } else if (me == 63 && (me - mb + 1) + sh <= 64) {
+ tcg_gen_extract_tl(t_ra, t_rs, sh, me - mb + 1);
} else {
tcg_gen_rotli_tl(t_ra, t_rs, sh);
tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
--
2.7.4
- [Qemu-devel] [PATCH 05/15] tcg/arm: Implement field extraction opcodes, (continued)
- [Qemu-devel] [PATCH 05/15] tcg/arm: Implement field extraction opcodes, Richard Henderson, 2016/10/15
- [Qemu-devel] [PATCH 06/15] tcg/i386: Implement field extraction opcodes, Richard Henderson, 2016/10/15
- [Qemu-devel] [PATCH 07/15] tcg/mips: Implement field extraction opcodes, Richard Henderson, 2016/10/15
- [Qemu-devel] [PATCH 08/15] tcg/ppc: Implement field extraction opcodes, Richard Henderson, 2016/10/15
- [Qemu-devel] [PATCH 09/15] tcg/s390: Implement field extraction opcodes, Richard Henderson, 2016/10/15
- [Qemu-devel] [PATCH 10/15] target-alpha: Use deposit and extract ops, Richard Henderson, 2016/10/15
- [Qemu-devel] [PATCH 11/15] target-arm: Use tcg_gen_*extract, Richard Henderson, 2016/10/15
- [Qemu-devel] [PATCH 12/15] target-i386: Use tcg_gen_extract_tl, Richard Henderson, 2016/10/15
- [Qemu-devel] [PATCH 13/15] target-mips: Use tcg_gen_extract_*, Richard Henderson, 2016/10/15
- [Qemu-devel] [PATCH 14/15] target-ppc: Use tcg_gen_extract_*,
Richard Henderson <=
- [Qemu-devel] [PATCH 15/15] target-s390: Use tcg_gen_extract_i64, Richard Henderson, 2016/10/15
- Re: [Qemu-devel] [PATCH 00/15] tcg field extract primitives, no-reply, 2016/10/16