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| author | carrot <carrot@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-08-27 16:48:09 +0000 |
|---|---|---|
| committer | carrot <carrot@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-08-27 16:48:09 +0000 |
| commit | 25b7d298bc19f447c84718114edc1b080c285aba (patch) | |
| tree | 50d95b3ec5a31542890562a98fdfe72015237a6d /gcc/config/aarch64/aarch64.md | |
| parent | 2ccb7428c9788777bb4a9f2f0e03cd3484086694 (diff) | |
| download | gcc-25b7d298bc19f447c84718114edc1b080c285aba.tar.gz | |
PR target/62262
* config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Check the shift
amount before using it.
* gcc.target/aarch64/pr62262.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@214578 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/aarch64/aarch64.md')
| -rw-r--r-- | gcc/config/aarch64/aarch64.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md index 3c51fd367e9..1f7ab9151ba 100644 --- a/gcc/config/aarch64/aarch64.md +++ b/gcc/config/aarch64/aarch64.md @@ -3431,7 +3431,8 @@ (and:GPI (ashift:GPI (match_operand:GPI 1 "register_operand" "r") (match_operand 2 "const_int_operand" "n")) (match_operand 3 "const_int_operand" "n")))] - "exact_log2 ((INTVAL (operands[3]) >> INTVAL (operands[2])) + 1) >= 0 + "(INTVAL (operands[2]) < (<GPI:sizen>)) + && exact_log2 ((INTVAL (operands[3]) >> INTVAL (operands[2])) + 1) >= 0 && (INTVAL (operands[3]) & ((1 << INTVAL (operands[2])) - 1)) == 0" "ubfiz\\t%<w>0, %<w>1, %2, %P3" [(set_attr "type" "bfm")] |