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