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| author | Richard Biener <rguenther@suse.de> | 2014-11-07 20:57:01 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-11-07 20:57:01 +0000 |
| commit | 382ad5ce1bb6ce92c276adc9a35c619c0a070aca (patch) | |
| tree | 4c18edfc1ad7fd6c4247d8bfff634a731d255b4c | |
| parent | 64df297158621407b9a2204b661584c9a4d526e6 (diff) | |
| download | gcc-382ad5ce1bb6ce92c276adc9a35c619c0a070aca.zip gcc-382ad5ce1bb6ce92c276adc9a35c619c0a070aca.tar.gz gcc-382ad5ce1bb6ce92c276adc9a35c619c0a070aca.tar.bz2 | |
re PR tree-optimization/63605 (wrong code at -O3 on x86_64-linux-gnu)
2014-11-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/63605
* fold-const.c (fold_binary_loc): Properly use element_precision
for types that may not be scalar.
* gcc.dg/vect/pr63605.c: New testcase.
From-SVN: r217238
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fold-const.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr63605.c | 22 |
4 files changed, 34 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index eb5d793..966c0b4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-11-07 Richard Biener <rguenther@suse.de> + + PR tree-optimization/63605 + * fold-const.c (fold_binary_loc): Properly use element_precision + for types that may not be scalar. + 2014-11-07 Evgeny Stupachenko <evstupac@gmail.com> PR target/63534 diff --git a/gcc/fold-const.c b/gcc/fold-const.c index cff9c10..c712213 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -12817,7 +12817,7 @@ fold_binary_loc (location_t loc, tree arg00 = TREE_OPERAND (arg0, 0); tree arg01 = TREE_OPERAND (arg0, 1); tree itype = TREE_TYPE (arg00); - if (wi::eq_p (arg01, TYPE_PRECISION (itype) - 1)) + if (wi::eq_p (arg01, element_precision (itype) - 1)) { if (TYPE_UNSIGNED (itype)) { diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 52ff7ef..ba9df2c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2014-11-07 Richard Biener <rguenther@suse.de> + + PR tree-optimization/63605 + * gcc.dg/vect/pr63605.c: New testcase. + 2014-11-07 Jeff Law <law@redhat.com> * g++.dg/pr61289-2.C: Renamed from pr61289-2.c. diff --git a/gcc/testsuite/gcc.dg/vect/pr63605.c b/gcc/testsuite/gcc.dg/vect/pr63605.c new file mode 100644 index 0000000..5096c72 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr63605.c @@ -0,0 +1,22 @@ +/* { dg-do run } */ + +#include "tree-vect.h" + +extern void abort (void); + +int a, b[8] = { 2, 0, 0, 0, 0, 0, 0, 0 }, c[8]; + +int +main () +{ + int d; + check_vect (); + for (; a < 8; a++) + { + d = b[a] >> 1; + c[a] = d != 0; + } + if (c[0] != 1) + abort (); + return 0; +} |