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| author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2016-08-04 13:20:57 +0000 |
|---|---|---|
| committer | Bernd Edlinger <edlinger@gcc.gnu.org> | 2016-08-04 13:20:57 +0000 |
| commit | 086ad22e0e7bbff4329d0dcbdc1b4be04ba4a868 (patch) | |
| tree | c1189eb5f7c1e72590aee39e3b908fd9838a97a5 /gcc/testsuite/gcc.c-torture | |
| parent | 9a8e528cf1e5aa1a7e7fa09716a3b5b87b56dc93 (diff) | |
| download | gcc-086ad22e0e7bbff4329d0dcbdc1b4be04ba4a868.zip gcc-086ad22e0e7bbff4329d0dcbdc1b4be04ba4a868.tar.gz gcc-086ad22e0e7bbff4329d0dcbdc1b4be04ba4a868.tar.bz2 | |
re PR target/70903 (wrong code with bfi @ aarch64 with -Os)
2016-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR rtl-optimization/70903
* cse.c (cse_insn): If DEST is a paradoxical SUBREG, don't record DEST.
testsuite:
2016-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR rtl-optimization/70903
* gcc.c-torture/execute/pr70903.c: New test.
From-SVN: r239122
Diffstat (limited to 'gcc/testsuite/gcc.c-torture')
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr70903.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr70903.c b/gcc/testsuite/gcc.c-torture/execute/pr70903.c new file mode 100644 index 0000000..6ffd0aa --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr70903.c @@ -0,0 +1,38 @@ +typedef unsigned char V8 __attribute__ ((vector_size (32))); +typedef unsigned int V32 __attribute__ ((vector_size (32))); +typedef unsigned long long V64 __attribute__ ((vector_size (32))); + +static V32 __attribute__ ((noinline, noclone)) +foo (V64 x) +{ + V64 y = (V64)(V8){((V8)(V64){65535, x[0]})[1]}; + return (V32){y[0], 255}; +} + +int main () +{ + V32 x = foo ((V64){}); +// __builtin_printf ("%08x %08x %08x %08x %08x %08x %08x %08x\n", x[0], x[1], x[2], x[3], x[4], x[5], x[6], x[7]); + if (x[1] != 255) + __builtin_abort(); + return 0; +} +typedef unsigned char V8 __attribute__ ((vector_size (32))); +typedef unsigned int V32 __attribute__ ((vector_size (32))); +typedef unsigned long long V64 __attribute__ ((vector_size (32))); + +static V32 __attribute__ ((noinline, noclone)) +foo (V64 x) +{ + V64 y = (V64)(V8){((V8)(V64){65535, x[0]})[1]}; + return (V32){y[0], 255}; +} + +int main () +{ + V32 x = foo ((V64){}); +// __builtin_printf ("%08x %08x %08x %08x %08x %08x %08x %08x\n", x[0], x[1], x[2], x[3], x[4], x[5], x[6], x[7]); + if (x[1] != 255) + __builtin_abort(); + return 0; +} |