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| author | Richard Biener <rguenther@suse.de> | 2022-01-20 14:34:33 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2022-01-20 15:19:15 +0100 |
| commit | d63d9c3dd160dce24f0209f193b8e7388b19f712 (patch) | |
| tree | 51a2d7920b92d2d21e2c31a8a6eea1d869b9f10e /gcc | |
| parent | ce9e0cc5da4c557e4af598fd0a2d087d644bdfc9 (diff) | |
| download | gcc-d63d9c3dd160dce24f0209f193b8e7388b19f712.zip gcc-d63d9c3dd160dce24f0209f193b8e7388b19f712.tar.gz gcc-d63d9c3dd160dce24f0209f193b8e7388b19f712.tar.bz2 | |
target/100784 - avoid ICE with folding __builtin_ia32_shufpd
This avoids ICEing when there is no LHS on the call by following
what foldings of other builtins do in , namely not folding.
2022-01-20 Richard Biener <rguenther@suse.de>
PR target/100784
* config/i386/i386.cc (ix86_gimple_fold_builtin): Check for
LHS before folding __builtin_ia32_shufpd and friends.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/i386.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc index af82886..ad5a5ca 100644 --- a/gcc/config/i386/i386.cc +++ b/gcc/config/i386/i386.cc @@ -18710,7 +18710,7 @@ ix86_gimple_fold_builtin (gimple_stmt_iterator *gsi) gimple_call_arg (stmt, n_args - 1))) break; arg2 = gimple_call_arg (stmt, 2); - if (TREE_CODE (arg2) == INTEGER_CST) + if (TREE_CODE (arg2) == INTEGER_CST && gimple_call_lhs (stmt)) { unsigned HOST_WIDE_INT shuffle_mask = TREE_INT_CST_LOW (arg2); /* Check valid imm, refer to gcc.target/i386/testimm-10.c. */ |