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[6/7] alpha: Fix fesetexceptflag (BZ 30998)

Message ID 20231103122416.2724355-7-adhemerval.zanella@linaro.org
State Superseded
Headers show
Series Multiple floating-point environment fixes | expand

Commit Message

Adhemerval Zanella Netto Nov. 3, 2023, 12:24 p.m. UTC 
From: Bruno Haible <bruno@clisp.org>

It clears some exception flags that are outside the EXCEPTS argument.

It fixes math/test-fexcept on qemu-user.
---
 sysdeps/alpha/fpu/fsetexcptflg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sysdeps/alpha/fpu/fsetexcptflg.c b/sysdeps/alpha/fpu/fsetexcptflg.c
index 70f3666a6e..63eb06845d 100644
--- a/sysdeps/alpha/fpu/fsetexcptflg.c
+++ b/sysdeps/alpha/fpu/fsetexcptflg.c
@@ -27,7 +27,7 @@  __fesetexceptflag (const fexcept_t *flagp, int excepts)
   tmp = __ieee_get_fp_control ();
 
   /* Set all the bits that were called for.  */
-  tmp = (tmp & ~SWCR_STATUS_MASK) | (*flagp & excepts & SWCR_STATUS_MASK);
+  tmp ^= (tmp ^ *flagp) & excepts & SWCR_STATUS_MASK;
 
   /* And store it back.  */
   __ieee_set_fp_control (tmp);