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[PATCH 20/35] target/ppc: Do not call do_float_check_status from do_fmad
From: |
Richard Henderson |
Subject: |
[PATCH 20/35] target/ppc: Do not call do_float_check_status from do_fmadd |
Date: |
Fri, 19 Nov 2021 17:04:47 +0100 |
We will process flags other than in valid in helper_float_check_status,
which is invoked after the writeback to FRT.
Fixes a bug in which FRT is not written when OE/UE/XE are enabled.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/ppc/fpu_helper.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index d2a7bf5e63..e0c35a3977 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -651,11 +651,8 @@ static float64 do_fmadd(CPUPPCState *env, float64 a,
float64 b,
float64 ret = float64_muladd(a, b, c, madd_flags, &env->fp_status);
int flags = get_float_exception_flags(&env->fp_status);
- if (flags) {
- if (flags & float_flag_invalid) {
- float_invalid_op_madd(env, flags, 1, retaddr);
- }
- do_float_check_status(env, retaddr);
+ if (unlikely(flags & float_flag_invalid)) {
+ float_invalid_op_madd(env, flags, 1, retaddr);
}
return ret;
}
--
2.25.1
- [PATCH 11/35] target/ppc: Move float_check_status from FPU_FCTI to translate, (continued)
- [PATCH 11/35] target/ppc: Move float_check_status from FPU_FCTI to translate, Richard Henderson, 2021/11/19
- [PATCH 09/35] target/ppc: Update float_invalid_op_mul for new flags, Richard Henderson, 2021/11/19
- [PATCH 12/35] target/ppc: Update float_invalid_cvt for new flags, Richard Henderson, 2021/11/19
- [PATCH 15/35] target/ppc: Use FloatRoundMode in do_fri, Richard Henderson, 2021/11/19
- [PATCH 16/35] target/ppc: Tidy inexact handling in do_fri, Richard Henderson, 2021/11/19
- [PATCH 17/35] target/ppc: Clean up do_fri, Richard Henderson, 2021/11/19
- [PATCH 18/35] target/ppc: Update fmadd for new flags, Richard Henderson, 2021/11/19
- [PATCH 13/35] target/ppc: Fix VXCVI return value, Richard Henderson, 2021/11/19
- [PATCH 14/35] target/ppc: Remove inline from do_fri, Richard Henderson, 2021/11/19
- [PATCH 19/35] target/ppc: Split out do_fmadd, Richard Henderson, 2021/11/19
- [PATCH 20/35] target/ppc: Do not call do_float_check_status from do_fmadd,
Richard Henderson <=
- [PATCH 21/35] target/ppc: Split out do_frsp, Richard Henderson, 2021/11/19
- [PATCH 23/35] target/ppc: Use helper_todouble in do_frsp, Richard Henderson, 2021/11/19
- [PATCH 22/35] target/ppc: Update do_frsp for new flags, Richard Henderson, 2021/11/19
- [PATCH 24/35] target/ppc: Update sqrt for new flags, Richard Henderson, 2021/11/19
- [PATCH 25/35] target/ppc: Update xsrqpi and xsrqpxp to new flags, Richard Henderson, 2021/11/19
- [PATCH 26/35] target/ppc: Update fre to new flags, Richard Henderson, 2021/11/19
- [PATCH 28/35] target/ppc: Add helpers for fmadds et al, Richard Henderson, 2021/11/19
- [PATCH 27/35] softfloat: Add float64r32 arithmetic routines, Richard Henderson, 2021/11/19
- [PATCH 29/35] target/ppc: Add helper for fsqrts, Richard Henderson, 2021/11/19
- [PATCH 30/35] target/ppc: Add helpers for fadds, fsubs, fdivs, Richard Henderson, 2021/11/19