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math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning

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_FP_ROUND_ZERO is defined as 0 and used as a statemente in macro
_FP_ROUND. This generates "error: statement with no effect
[-Werror=unused-value]" from gcc. Defining _FP_ROUND_ZERO as (void)0 to
fix it.

This modification is quoted from glibc 'commit <In libc/:>
(8ed1e7d5894000c155acbd06f)'

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
This commit is contained in:
Vincent Chen 2018-11-22 11:14:38 +08:00 committed by Greentime Hu
parent 7adb3e998f
commit 83312f1b7a
1 changed files with 1 additions and 1 deletions
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2
include/math-emu/soft-fp.h
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@ -138,7 +138,7 @@ do { \
_FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \
} while (0)
#define _FP_ROUND_ZERO(wc, X) 0
#define _FP_ROUND_ZERO(wc, X) (void)0
#define _FP_ROUND_PINF(wc, X) \
do { \