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| author | Wilco <wdijkstr@arm.com> | 2014-06-02 12:44:21 +0100 |
|---|---|---|
| committer | Marcus Shawcroft <marcus.shawcroft@arm.com> | 2014-06-02 12:44:21 +0100 |
| commit | a88dadbed5d7589ac7880efe62ea511844107795 (patch) | |
| tree | 7b3f1a951cd806a593d673bf7854174d9e94b6bb | |
| parent | c95b3011018893fcc473279768a67a24a73bbef2 (diff) | |
| download | glibc-a88dadbed5d7589ac7880efe62ea511844107795.tar.gz glibc-a88dadbed5d7589ac7880efe62ea511844107795.tar.xz glibc-a88dadbed5d7589ac7880efe62ea511844107795.zip | |
[AArch64] Remove ISB after FPCR write.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/aarch64/fpu/fpu_control.h | 7 |
2 files changed, 7 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog index b20156cb0c..8a55607df7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2014-06-02 Wilco <wdijkstr@arm.com> + * sysdeps/aarch64/fpu/fpu_control.h (_FPU_SETCW): Remove ISB after + FPCR write. + +2014-06-02 Wilco <wdijkstr@arm.com> + [BZ #17009] * sysdeps/aarch64/fpu/feupdateenv (feupdateenv): Rewrite to reduce FPCR/FPSR accesses. diff --git a/sysdeps/aarch64/fpu/fpu_control.h b/sysdeps/aarch64/fpu/fpu_control.h index 6a265e89b5..d5a890d990 100644 --- a/sysdeps/aarch64/fpu/fpu_control.h +++ b/sysdeps/aarch64/fpu/fpu_control.h @@ -24,11 +24,8 @@ #define _FPU_GETCW(fpcr) \ __asm__ __volatile__ ("mrs %0, fpcr" : "=r" (fpcr)) -#define _FPU_SETCW(fpcr) \ - { \ - __asm__ __volatile__ ("msr fpcr, %0" : : "r" (fpcr)); \ - __asm__ __volatile__ ("isb"); \ - } +#define _FPU_SETCW(fpcr) \ + __asm__ __volatile__ ("msr fpcr, %0" : : "r" (fpcr)) #define _FPU_GETFPSR(fpsr) \ __asm__ __volatile__ ("mrs %0, fpsr" : "=r" (fpsr)) |