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-rw-r--r--src/core/arm/skyeye_common/vfp/vfp_helper.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/core/arm/skyeye_common/vfp/vfp_helper.h b/src/core/arm/skyeye_common/vfp/vfp_helper.h
index 210972917..c1cc4fd7e 100644
--- a/src/core/arm/skyeye_common/vfp/vfp_helper.h
+++ b/src/core/arm/skyeye_common/vfp/vfp_helper.h
@@ -357,8 +357,9 @@ inline int vfp_double_type(const vfp_double* s)
// Unpack a double-precision float. Note that this returns the magnitude
// of the double-precision float mantissa with the 1. if necessary,
// aligned to bit 62.
-inline void vfp_double_unpack(vfp_double* s, s64 val, u32* fpscr)
+inline u32 vfp_double_unpack(vfp_double* s, s64 val, u32 fpscr)
{
+ u32 exceptions = 0;
s->sign = vfp_double_packed_sign(val) >> 48;
s->exponent = vfp_double_packed_exponent(val);
@@ -369,12 +370,13 @@ inline void vfp_double_unpack(vfp_double* s, s64 val, u32* fpscr)
// If flush-to-zero mode is enabled, turn the denormal into zero.
// On a VFPv2 architecture, the sign of the zero is always positive.
- if ((*fpscr & FPSCR_FLUSH_TO_ZERO) != 0 && (vfp_double_type(s) & VFP_DENORMAL) != 0) {
+ if ((fpscr & FPSCR_FLUSH_TO_ZERO) != 0 && (vfp_double_type(s) & VFP_DENORMAL) != 0) {
s->sign = 0;
s->exponent = 0;
s->significand = 0;
- *fpscr |= FPSCR_IDC;
+ exceptions |= FPSCR_IDC;
}
+ return exceptions;
}
// Re-pack a double-precision float. This assumes that the float is