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| author | Xi Ruoyao <xry111@mengyan1223.wang> | 2022-03-09 01:08:58 +0800 |
|---|---|---|
| committer | Xi Ruoyao <xry111@mengyan1223.wang> | 2022-03-09 11:21:08 +0800 |
| commit | 2ab70a4a5c2d5a9ffb923f13b1c3b938c60dd0f0 (patch) | |
| tree | c7b4198e25327b37b5285040892d3eec82113ac5 /gcc | |
| parent | 17bffa0c9f90df49bde6671816bde04008b6c5af (diff) | |
| download | gcc-2ab70a4a5c2d5a9ffb923f13b1c3b938c60dd0f0.zip gcc-2ab70a4a5c2d5a9ffb923f13b1c3b938c60dd0f0.tar.gz gcc-2ab70a4a5c2d5a9ffb923f13b1c3b938c60dd0f0.tar.bz2 | |
mips: avoid signed overflow in LUI_OPERAND [PR104842]
gcc/
PR target/104842
* config/mips/mips.h (LUI_OPERAND): Cast the input to an unsigned
value before adding an offset.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/mips/mips.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h index bf5c1d5..0029864 100644 --- a/gcc/config/mips/mips.h +++ b/gcc/config/mips/mips.h @@ -2309,7 +2309,7 @@ enum reg_class #define LUI_OPERAND(VALUE) \ (((VALUE) | 0x7fff0000) == 0x7fff0000 \ - || ((VALUE) | 0x7fff0000) + 0x10000 == 0) + || ((unsigned HOST_WIDE_INT) (VALUE) | 0x7fff0000) + 0x10000 == 0) /* Return a value X with the low 16 bits clear, and such that VALUE - X is a signed 16-bit value. */ |