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[Qemu-devel] [PATCH 083/111] m68k: flush flags before negx instruction.
From: |
Bryce Lanham |
Subject: |
[Qemu-devel] [PATCH 083/111] m68k: flush flags before negx instruction. |
Date: |
Wed, 17 Aug 2011 15:47:28 -0500 |
From: Laurent Vivier <address@hidden>
Force the computing of the flags before negx as
negx will keep Z flag from previous instructions
if result is non zero.
Seen with gcc testsuite,
gcc.c-torture/execute/builtin-bitops-1.c
Signed-off-by: Laurent Vivier <address@hidden>
---
target-m68k/translate.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 7d0b790..e9b6abc 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -1896,6 +1896,7 @@ DISAS_INSN(negx)
int opsize;
opsize = insn_opsize(insn, 6);
+ gen_flush_flags(s);
SRC_EA(src, opsize, -1, &addr);
dest = tcg_temp_new();
switch(opsize) {
--
1.7.2.3
- [Qemu-devel] [PATCH 085/111] m68k: add fatan instruction, (continued)
- [Qemu-devel] [PATCH 085/111] m68k: add fatan instruction, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 073/111] m68k: add cmpm instruction, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 055/111] m68k: Correct bfclr in register case., Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 054/111] m68k: Added ULL to 64 bit integer in helper.c, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 040/111] m68k: add sbcd instruction, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 082/111] m68k: add fmod instruction, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 068/111] m68k: correct addsubq, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 053/111] m68k: for bitfield opcodes, correct operands corruption, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 057/111] m68k: correctly compute divsl, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 027/111] m68k: add DBcc instruction., Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 083/111] m68k: flush flags before negx instruction.,
Bryce Lanham <=
- [Qemu-devel] [PATCH 084/111] m68k: correct fmovemx FP registers order., Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 047/111] m68k: use read_imm1() when it is possible, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 079/111] m68k: add fsin instruction, Bryce Lanham, 2011/08/17
- [Qemu-devel] [PATCH 087/111] m68k: fcmp correctly compares infinity., Bryce Lanham, 2011/08/17
- Re: [Qemu-devel] [RFC][PATCH 000/111] QEMU m68k core additions, Anthony Liguori, 2011/08/17