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commit 196f456b842ee96e1bf1e5ae6ed21ba427dee3f3
Author: Marcus Shawcroft <marcus.shawcroft@linaro.org>
Date: Tue Jan 7 16:16:35 2014 +0000
[AArch64] Fix FP_ROUNDMODE.
[BZ #16387] Fix FP_ROUNDMODE to extract the correct bits from FPCR.
diff --git a/ports/sysdeps/aarch64/fpu/fpu_control.h b/ports/sysdeps/aarch64/fpu/fpu_control.h
index 79ab5fb..6a265e8 100644
--- a/ports/sysdeps/aarch64/fpu/fpu_control.h
+++ b/ports/sysdeps/aarch64/fpu/fpu_control.h
@@ -59,6 +59,9 @@
E E D D
E E
*/
+
+#define _FPU_FPCR_RM_MASK 0xc00000
+
#define _FPU_FPCR_MASK_IXE 0x1000
#define _FPU_FPCR_MASK_UFE 0x0800
#define _FPU_FPCR_MASK_OFE 0x0400
diff --git a/ports/sysdeps/aarch64/soft-fp/sfp-machine.h b/ports/sysdeps/aarch64/soft-fp/sfp-machine.h
index d21d00a..9bb94e5 100644
--- a/ports/sysdeps/aarch64/soft-fp/sfp-machine.h
+++ b/ports/sysdeps/aarch64/soft-fp/sfp-machine.h
@@ -47,7 +47,7 @@
#define _FP_DECL_EX fpu_control_t _fcw
-#define FP_ROUNDMODE (_fcw & 0x3)
+#define FP_ROUNDMODE (_fcw & _FPU_FPCR_RM_MASK)
#define FP_RND_NEAREST FE_TONEAREST
#define FP_RND_ZERO FE_TOWARDZERO