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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, alex.bennee@linaro.org,
	Michael Clark <mjc@sifive.com>,
	Palmer Dabbelt <palmer@sifive.com>,
	Sagar Karandikar <sagark@eecs.berkeley.edu>,
	Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Subject: [Qemu-devel] [PATCH 13/19] target/riscv: Remove floatX_maybe_silence_nan from conversions
Date: Thu, 10 May 2018 17:43:39 -0700	[thread overview]
Message-ID: <20180511004345.26708-14-richard.henderson@linaro.org> (raw)
In-Reply-To: <20180511004345.26708-1-richard.henderson@linaro.org>

This is now handled properly by the generic softfloat code.

Cc: Michael Clark <mjc@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Sagar Karandikar <sagark@eecs.berkeley.edu>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/riscv/fpu_helper.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/target/riscv/fpu_helper.c b/target/riscv/fpu_helper.c
index abbadead5c..fdb87d8d82 100644
--- a/target/riscv/fpu_helper.c
+++ b/target/riscv/fpu_helper.c
@@ -279,14 +279,12 @@ uint64_t helper_fmax_d(CPURISCVState *env, uint64_t frs1, uint64_t frs2)
 
 uint64_t helper_fcvt_s_d(CPURISCVState *env, uint64_t rs1)
 {
-    rs1 = float64_to_float32(rs1, &env->fp_status);
-    return float32_maybe_silence_nan(rs1, &env->fp_status);
+    return float64_to_float32(rs1, &env->fp_status);
 }
 
 uint64_t helper_fcvt_d_s(CPURISCVState *env, uint64_t rs1)
 {
-    rs1 = float32_to_float64(rs1, &env->fp_status);
-    return float64_maybe_silence_nan(rs1, &env->fp_status);
+    return float32_to_float64(rs1, &env->fp_status);
 }
 
 uint64_t helper_fsqrt_d(CPURISCVState *env, uint64_t frs1)
-- 
2.17.0

  parent reply	other threads:[~2018-05-11  0:44 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-11  0:43 [Qemu-devel] [PATCH 00/19] softfloat: Clean up NaN handling Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 01/19] fpu/softfloat: Merge NO_SIGNALING_NANS definitions Richard Henderson
2018-05-11  6:44   ` Alex Bennée
2018-05-11  0:43 ` [Qemu-devel] [PATCH 02/19] fpu/softfloat: Split floatXX_silence_nan from floatXX_maybe_silence_nan Richard Henderson
2018-05-11  7:47   ` Alex Bennée
2018-05-11 15:06     ` Alex Bennée
2018-05-11 15:16       ` Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 03/19] fpu/softfloat: Move softfloat-specialize.h below FloatParts definition Richard Henderson
2018-05-11  7:48   ` Alex Bennée
2018-05-11  0:43 ` [Qemu-devel] [PATCH 04/19] fpu/softfloat: Canonicalize NaN fraction Richard Henderson
2018-05-11 16:26   ` Alex Bennée
2018-05-11 16:46     ` Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 05/19] fpu/softfloat: Introduce parts_is_snan_frac Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 06/19] fpu/softfloat: Replace float_class_dnan with parts_default_nan Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 07/19] fpu/softfloat: Replace float_class_msnan with parts_silence_nan Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 08/19] target/arm: Use floatX_silence_nan when we have already checked for SNaN Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 09/19] target/arm: Remove floatX_maybe_silence_nan from conversions Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 10/19] target/hppa: " Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 11/19] target/m68k: Use floatX_silence_nan when we have already checked for SNaN Richard Henderson
2018-05-11 10:11   ` Laurent Vivier
2018-05-11  0:43 ` [Qemu-devel] [PATCH 12/19] target/mips: Remove floatX_maybe_silence_nan from conversions Richard Henderson
2018-05-11  0:43 ` Richard Henderson [this message]
2018-05-11  0:43 ` [Qemu-devel] [PATCH 14/19] target/s390x: " Richard Henderson
2018-05-11  6:47   ` David Hildenbrand
2018-05-11  0:43 ` [Qemu-devel] [PATCH 15/19] fpu/softfloat: Use float*_silence_nan in propagateFloat*NaN Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 16/19] fpu/softfloat: Remove floatX_maybe_silence_nan Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 17/19] fpu/softfloat: Introduce SNAN_BIT_IS_ONE Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 18/19] fpu/softfloat: Pass FloatClass to pickNaN Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 19/19] fpu/softfloat: Pass FloatClass to pickNaNMulAdd Richard Henderson

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