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[v3,06/26] softfloat: Set QEMU_NO_HARDFLOAT for m68k

Message ID 20240909172823.649837-7-richard.henderson@linaro.org
State New
Headers show
Series target/m68k: fpu improvements | expand

Commit Message

Richard Henderson Sept. 9, 2024, 5:28 p.m. UTC 
Like ppc, m68k needs the complete set of exception flags for each
instruction, which means that float_flag_inexact will never be set
before each instruction.  Thus the hardfloat path will not be used,
so we improve things by compiling it out.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 fpu/softfloat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index 027a8e576d..0e4ff874e4 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -220,7 +220,7 @@  GEN_INPUT_FLUSH3(float64_input_flush3, float64)
  * the use of hardfloat, since hardfloat relies on the inexact flag being
  * already set.
  */
-#if defined(TARGET_PPC) || defined(__FAST_MATH__)
+#if defined(TARGET_M68K) || defined(TARGET_PPC) || defined(__FAST_MATH__)
 # if defined(__FAST_MATH__)
 #  warning disabling hardfloat due to -ffast-math: hardfloat requires an exact \
     IEEE implementation