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| author | Andrew Pinski <quic_apinski@quicinc.com> | 2025-07-15 08:56:31 -0700 |
|---|---|---|
| committer | Andrew Pinski <quic_apinski@quicinc.com> | 2025-07-15 09:08:20 -0700 |
| commit | f307ab8b18c7b5623344b01f24af593594319196 (patch) | |
| tree | c79c49c0ba12c853073ecc5c4d5348108988b494 | |
| parent | e28494e08092c4096a015563c0ba0494ce1edf81 (diff) | |
| download | gcc-f307ab8b18c7b5623344b01f24af593594319196.zip gcc-f307ab8b18c7b5623344b01f24af593594319196.tar.gz gcc-f307ab8b18c7b5623344b01f24af593594319196.tar.bz2 | |
libgcc: Fix aarch64 build
For aarch64, libgcc is built with -Werror, after the latest
-Wunused-but-set* commit (r16-2258-g0eac9cfee8cb0b21d), a new warning
showed up:
```
../../../gcc/libgcc/config/libbid/bid_binarydecimal.c: In function
‘__binary32_to_bid128’:
../../../gcc/libgcc/config/libbid/bid_binarydecimal.c:130:31: error:
variable ‘c3’ set but not used [-Werror=unused-but-set-variable=]
130 | { unsigned long long c0,c1,c2,c3; \
| ^~
../../../gcc/libgcc/config/libbid/bid_binarydecimal.c:146842:5: note:
in expansion of macro ‘__mul_10x256_to_256’
146842 | __mul_10x256_to_256 (z.w[5], z.w[4], z.w[3], z.w[2],
z.w[5], z.w[4],
| ^~~~~~~~~~~~~~~~~~~
```
This fixes it by casting c3 to void after the last __mul_10x64 in
__mul_10x256_to_256 macro to mark it as being "used".
libgcc/config/libbid/ChangeLog:
* bid_binarydecimal.c (__mul_10x256_to_256): Mark c3 as being
used.
Signed-off-by: Andrew Pinski <quic_apinski@quicinc.com>
| -rw-r--r-- | libgcc/config/libbid/bid_binarydecimal.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libgcc/config/libbid/bid_binarydecimal.c b/libgcc/config/libbid/bid_binarydecimal.c index daca2ff..12e32b9 100644 --- a/libgcc/config/libbid/bid_binarydecimal.c +++ b/libgcc/config/libbid/bid_binarydecimal.c @@ -132,6 +132,7 @@ UINT64 CY; \ __mul_10x64(p1,c1,a1,c0); \ __mul_10x64(p2,c2,a2,c1); \ __mul_10x64(p3,c3,a3,c2); \ + (void)c3; \ } // Set up indices for low and high parts, depending on the endian-ness. |