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[Qemu-devel] [PATCH 06/13] target-alpha: Use setcond for int comparisons
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 06/13] target-alpha: Use setcond for int comparisons. |
Date: |
Wed, 07 Apr 2010 22:49:08 -0000 |
Signed-off-by: Richard Henderson <address@hidden>
---
target-alpha/translate.c | 43 ++++++++++++++++++++++---------------------
1 files changed, 22 insertions(+), 21 deletions(-)
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index dff03ef..adeff0a 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -1290,33 +1290,34 @@ MVIOP2(pkwb)
MVIOP2(unpkbl)
MVIOP2(unpkbw)
-static inline void gen_cmp(TCGCond cond, int ra, int rb, int rc, int islit,
- uint8_t lit)
+static void gen_cmp(TCGCond cond, int ra, int rb, int rc,
+ int islit, uint8_t lit)
{
- int l1, l2;
- TCGv tmp;
+ TCGv va, vb;
- if (unlikely(rc == 31))
+ if (unlikely(rc == 31)) {
return;
+ }
- l1 = gen_new_label();
- l2 = gen_new_label();
+ if (ra == 31) {
+ va = tcg_const_i64(0);
+ } else {
+ va = cpu_ir[ra];
+ }
+ if (islit) {
+ vb = tcg_const_i64(lit);
+ } else {
+ vb = cpu_ir[rb];
+ }
- if (ra != 31) {
- tmp = tcg_temp_new();
- tcg_gen_mov_i64(tmp, cpu_ir[ra]);
- } else
- tmp = tcg_const_i64(0);
- if (islit)
- tcg_gen_brcondi_i64(cond, tmp, lit, l1);
- else
- tcg_gen_brcond_i64(cond, tmp, cpu_ir[rb], l1);
+ tcg_gen_setcond_i64(cond, cpu_ir[rc], va, vb);
- tcg_gen_movi_i64(cpu_ir[rc], 0);
- tcg_gen_br(l2);
- gen_set_label(l1);
- tcg_gen_movi_i64(cpu_ir[rc], 1);
- gen_set_label(l2);
+ if (ra == 31) {
+ tcg_temp_free(va);
+ }
+ if (islit) {
+ tcg_temp_free(vb);
+ }
}
static void gen_rx(int ra, int set)
--
1.6.6.1
- [Qemu-devel] [PATCH 00/13] target-alpha improvements, version 4, Richard Henderson, 2010/04/07
- [Qemu-devel] [PATCH 04/13] target-alpha: Implement cvtql inline., Richard Henderson, 2010/04/07
- [Qemu-devel] [PATCH 05/13] target-alpha: Implement cvtlq inline., Richard Henderson, 2010/04/07
- [Qemu-devel] [PATCH 02/13] target-alpha: Implement cpys{, n, e} inline., Richard Henderson, 2010/04/07
- [Qemu-devel] [PATCH 06/13] target-alpha: Use setcond for int comparisons.,
Richard Henderson <=
- [Qemu-devel] [PATCH 09/13] target-alpha: Update commentary for opcode 0x1A., Richard Henderson, 2010/04/07
- [Qemu-devel] [PATCH 01/13] target-alpha: Add flags markups to helpers.h., Richard Henderson, 2010/04/07
- [Qemu-devel] [PATCH 10/13] target-alpha: Enable NPTL., Richard Henderson, 2010/04/07
- [Qemu-devel] [PATCH 07/13] target-alpha: Use non-inverted arguments to gen_{f}cmov., Richard Henderson, 2010/04/07
- [Qemu-devel] [PATCH 03/13] target-alpha: Implement rs/rc properly., Richard Henderson, 2010/04/07