Patchwork [02/11] target-sh4: use float32_muladd() to implement fmac

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Submitter Aurelien Jarno
Date Sept. 16, 2012, 11:11 p.m.
Message ID <1347837120-14422-3-git-send-email-aurelien@aurel32.net>
Download mbox | patch
Permalink /patch/184179/
State New
Headers show

Comments

Aurelien Jarno - Sept. 16, 2012, 11:11 p.m.
There is no need to add a SH4 specific pickNaNMulAdd() to softfloat as
SH4 is always returning a default NaN.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 target-sh4/op_helper.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch

diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c
index 9b4328d..bf835fa 100644
--- a/target-sh4/op_helper.c
+++ b/target-sh4/op_helper.c
@@ -623,8 +623,7 @@  float64 helper_float_DT(CPUSH4State *env, uint32_t t0)
 float32 helper_fmac_FT(CPUSH4State *env, float32 t0, float32 t1, float32 t2)
 {
     set_float_exception_flags(0, &env->fp_status);
-    t0 = float32_mul(t0, t1, &env->fp_status);
-    t0 = float32_add(t0, t2, &env->fp_status);
+    t0 = float32_muladd(t0, t1, t2, 0, &env->fp_status);
     update_fpscr(env, GETPC());
     return t0;
 }