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fpu/softfloat.c: Remove pointless shift of always-zero value 

In float16_to_float32, when returning an infinity, just pass zero
as the mantissa argument to packFloat32(), rather than shifting
a value which we know must be zero.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Peter Maydell 2012-09-24 17:28:35 +01:00 committed by Aurelien Jarno
parent 0f41dc182c
commit 4be8eeacb9
1 changed files with 1 additions and 1 deletions
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fpu/softfloat.c
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@ -3007,7 +3007,7 @@ float32 float16_to_float32(float16 a, flag ieee STATUS_PARAM)
if (aSig) { if (aSig) {
return commonNaNToFloat32(float16ToCommonNaN(a STATUS_VAR) STATUS_VAR); return commonNaNToFloat32(float16ToCommonNaN(a STATUS_VAR) STATUS_VAR);
} }
return packFloat32(aSign, 0xff, aSig << 13); return packFloat32(aSign, 0xff, 0);
} }
if (aExp == 0) { if (aExp == 0) {
int8 shiftCount; int8 shiftCount;