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[Qemu-devel] [PATCH 19/38] target-arm: Use add2 in gen_add_CC
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 19/38] target-arm: Use add2 in gen_add_CC |
Date: |
Tue, 19 Feb 2013 23:52:07 -0800 |
Cc: Peter Maydell <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
target-arm/translate.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/target-arm/translate.c b/target-arm/translate.c
index efe76d0..ca6f0af 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -410,12 +410,11 @@ static void gen_sub_carry(TCGv dest, TCGv t0, TCGv t1)
/* dest = T0 + T1. Compute C, N, V and Z flags */
static void gen_add_CC(TCGv dest, TCGv t0, TCGv t1)
{
- TCGv tmp;
- tcg_gen_add_i32(cpu_NF, t0, t1);
+ TCGv tmp = tcg_temp_new_i32();
+ tcg_gen_movi_i32(tmp, 0);
+ tcg_gen_add2_i32(cpu_NF, cpu_CF, t0, tmp, t1, tmp);
tcg_gen_mov_i32(cpu_ZF, cpu_NF);
- tcg_gen_setcond_i32(TCG_COND_LTU, cpu_CF, cpu_NF, t0);
tcg_gen_xor_i32(cpu_VF, cpu_NF, t0);
- tmp = tcg_temp_new_i32();
tcg_gen_xor_i32(tmp, t0, t1);
tcg_gen_andc_i32(cpu_VF, cpu_VF, tmp);
tcg_temp_free_i32(tmp);
--
1.8.1.2
- [Qemu-devel] [PATCH 33/38] target-sparc: Use official add2/sub2 interfaces for addx/subx, (continued)
- [Qemu-devel] [PATCH 33/38] target-sparc: Use official add2/sub2 interfaces for addx/subx, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 30/38] target-ppc: Implement neg in terms of subf, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 36/38] target-unicore32: Use mul*2 for do_mult, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 24/38] target-ppc: Use mul*2 in mulh* insns, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 20/38] target-arm: Implement adc_cc inline, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 37/38] target-xtensa: Use mul*2 for mul*hi, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 35/38] target-sh4: Use mul*2 for dmul*, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 31/38] target-ppc: Compute arithmetic shift carry without branches, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 29/38] target-ppc: Use add2 for carry generation, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 19/38] target-arm: Use add2 in gen_add_CC,
Richard Henderson <=
- [Qemu-devel] [PATCH 27/38] target-ppc: Compute addition overflow without branches, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 22/38] target-mips: Use mul[us]2 in [D]MULT[U] insns, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 23/38] target-cris: Use mul*2 in mul* insns, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 25/38] target-ppc: Split out SO, OV, CA fields from XER, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 17/38] target-arm: Use mul[us]2 in gen_mul[us]_i64_i32, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 38/38] target-xtensa: Use add2/sub2 for mac, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 26/38] target-ppc: Use setcond in gen_op_cmp, Richard Henderson, 2013/02/20
- [Qemu-devel] [PATCH 21/38] target-arm: Implement sbc_cc inline, Richard Henderson, 2013/02/20