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[Qemu-devel] [PATCH] target-sparc: Revert setting cpu_dst to gen_dest_gp
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH] target-sparc: Revert setting cpu_dst to gen_dest_gpr |
Date: |
Mon, 29 Oct 2012 15:50:20 +1100 |
There is some read-after-write error within the OP=2 insns which
prevents setting cpu_dst to the real output register. Until this
is found and fixed, always write to a temporary first.
Cc: Blue Swirl <address@hidden>
Cc: Aurelien Jarno <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
target-sparc/translate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 4321393..9e46f14 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -2633,7 +2633,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned
int insn)
case 2: /* FPU & Logical Operations */
{
unsigned int xop = GET_FIELD(insn, 7, 12);
- TCGv cpu_dst = gen_dest_gpr(dc, rd);
+ TCGv cpu_dst = get_temp_tl(dc);
TCGv cpu_tmp0;
if (xop == 0x3a) { /* generate trap */
--
1.7.11.7
- [Qemu-devel] [PATCH] target-sparc: Revert setting cpu_dst to gen_dest_gpr,
Richard Henderson <=