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[Qemu-devel] [PATCH 47/52] target-m68k: add addressing modes to neg
From: |
Laurent Vivier |
Subject: |
[Qemu-devel] [PATCH 47/52] target-m68k: add addressing modes to neg |
Date: |
Wed, 4 May 2016 23:21:04 +0200 |
Signed-off-by: Laurent Vivier <address@hidden>
---
target-m68k/translate.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 2b6ba15..bd7394f 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -2194,16 +2194,20 @@ DISAS_INSN(move_from_ccr)
DISAS_INSN(neg)
{
- TCGv reg;
TCGv src1;
+ TCGv dest;
+ TCGv addr;
+ int opsize;
- reg = DREG(insn, 0);
- src1 = tcg_temp_new();
- tcg_gen_mov_i32(src1, reg);
- tcg_gen_neg_i32(reg, src1);
- gen_update_cc_add(reg, src1);
- tcg_gen_setcondi_i32(TCG_COND_NE, QREG_CC_X, src1, 0);
- set_cc_op(s, CC_OP_SUB);
+ opsize = insn_opsize(insn);
+ SRC_EA(env, src1, opsize, 1, &addr);
+ dest = tcg_temp_new();
+ tcg_gen_neg_i32(dest, src1);
+ set_cc_op(s, CC_OP_SUBB + opsize);
+ gen_update_cc_add(dest, src1, opsize);
+ tcg_gen_setcondi_i32(TCG_COND_NE, QREG_CC_X, dest, 0);
+ DEST_EA(env, insn, opsize, dest, &addr);
+ tcg_temp_free(dest);
}
static void gen_set_sr_im(DisasContext *s, uint16_t val, int ccr_only)
--
2.5.5
- [Qemu-devel] [PATCH 42/52] target-m68k: eor can manage word and byte operands, (continued)
- [Qemu-devel] [PATCH 42/52] target-m68k: eor can manage word and byte operands, Laurent Vivier, 2016/05/04
- [Qemu-devel] [PATCH 45/52] target-m68k: suba/adda can manage word operand, Laurent Vivier, 2016/05/04
- [Qemu-devel] [PATCH 46/52] target-m68k: introduce byte and word cc_ops, Laurent Vivier, 2016/05/04
- [Qemu-devel] [PATCH 43/52] target-m68k: or can manage word and byte operands, Laurent Vivier, 2016/05/04
- [Qemu-devel] [PATCH 49/52] target-m68k: cmp manages word and bytes operands, Laurent Vivier, 2016/05/04
- [Qemu-devel] [PATCH 47/52] target-m68k: add addressing modes to neg,
Laurent Vivier <=
- [Qemu-devel] [PATCH 48/52] target-m68k: add/sub manage word and byte operands, Laurent Vivier, 2016/05/04
- [Qemu-devel] [PATCH 51/52] target-m68k: add cmpm, Laurent Vivier, 2016/05/04
- Re: [Qemu-devel] [PATCH 51/52] target-m68k: add cmpm, Richard Henderson, 2016/05/06
- Re: [Qemu-devel] [PATCH 51/52] target-m68k: add cmpm, Laurent Vivier, 2016/05/07
- Re: [Qemu-devel] [PATCH 51/52] target-m68k: add cmpm, Peter Maydell, 2016/05/07
- Re: [Qemu-devel] [PATCH 51/52] target-m68k: add cmpm, Laurent Vivier, 2016/05/08
- Re: [Qemu-devel] [PATCH 51/52] target-m68k: add cmpm, Peter Maydell, 2016/05/08
[Qemu-devel] [PATCH 52/52] target-m68k: sr/ccr cleanup, Laurent Vivier, 2016/05/04