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24 lines
812 B

commit a88dadbed5d7589ac7880efe62ea511844107795
Author: Wilco <wdijkstr@arm.com>
Date: Mon Jun 2 12:44:21 2014 +0100
[AArch64] Remove ISB after FPCR write.
diff --git a/ports/sysdeps/aarch64/fpu/fpu_control.h b/ports/sysdeps/aarch64/fpu/fpu_control.h
index 6a265e8..d5a890d 100644
--- a/ports/sysdeps/aarch64/fpu/fpu_control.h
+++ b/ports/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))