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| author | Jakub Jelinek <jakub@redhat.com> | 2018-04-24 15:20:20 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-04-24 15:20:20 +0200 |
| commit | 1704194ae7485f7faca06c026fbfc33233feae1d (patch) | |
| tree | e040b649fa9605968ecf26fa647371aad23b6513 | |
| parent | 062c0a7b2f8dc58f8bb7c6d3448866812bfc75c1 (diff) | |
| download | gcc-1704194ae7485f7faca06c026fbfc33233feae1d.zip gcc-1704194ae7485f7faca06c026fbfc33233feae1d.tar.gz gcc-1704194ae7485f7faca06c026fbfc33233feae1d.tar.bz2 | |
re PR target/85508 (runtime error in config/i386/i386.c)
PR target/85508
* config/i386/i386.c (ix86_expand_vector_init_one_var): Use UINTVAL
instead of INTVAL when shifting x left.
* gcc.target/i386/pr85508.c: New test.
From-SVN: r259594
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr85508.c | 12 |
4 files changed, 24 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dcf0d0b..767455f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-04-24 Jakub Jelinek <jakub@redhat.com> + + PR target/85508 + * config/i386/i386.c (ix86_expand_vector_init_one_var): Use UINTVAL + instead of INTVAL when shifting x left. + 2018-04-24 Andreas Krebbel <krebbel@linux.ibm.com> PR tree-optimization/85478 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 19d1c30..fada22b 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -43194,7 +43194,7 @@ ix86_expand_vector_init_one_var (bool mmx_ok, machine_mode mode, else { var = convert_modes (HImode, QImode, var, true); - x = gen_int_mode (INTVAL (x) << 8, HImode); + x = gen_int_mode (UINTVAL (x) << 8, HImode); } if (x != const0_rtx) var = expand_simple_binop (HImode, IOR, var, x, var, diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8c92593..65c4d61 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-04-24 Jakub Jelinek <jakub@redhat.com> + + PR target/85508 + * gcc.target/i386/pr85508.c: New test. + 2018-04-24 Andreas Krebbel <krebbel@linux.ibm.com> PR tree-optimization/85478 diff --git a/gcc/testsuite/gcc.target/i386/pr85508.c b/gcc/testsuite/gcc.target/i386/pr85508.c new file mode 100644 index 0000000..a75a38f --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr85508.c @@ -0,0 +1,12 @@ +/* PR target/85508 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -msse2" } */ + +typedef signed char V __attribute__((vector_size (16))); +signed char c; + +V +foo (void) +{ + return (V) { c, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; +} |