diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/mips/ext-3.c')
-rw-r--r-- | gcc/testsuite/gcc.target/mips/ext-3.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/mips/ext-3.c b/gcc/testsuite/gcc.target/mips/ext-3.c new file mode 100644 index 000000000..acdbbc9a4 --- /dev/null +++ b/gcc/testsuite/gcc.target/mips/ext-3.c @@ -0,0 +1,14 @@ +/* For MIPS64r2 use DEXT rather than DSLL/DSRL to zero-extend. */ +/* { dg-do compile } */ +/* { dg-options "-O isa_rev>=2 -mgp64" } */ +/* { dg-final { scan-assembler "\tdext\t" } } */ +/* { dg-final { scan-assembler-not "sll" } } */ + +NOMIPS16 unsigned long long +f (unsigned *i) +{ + unsigned j = *i; + j >>= 1; /* enforce this is all done in SI mode */ + j++; /* don't merge the shift and the extension */ + return j; +} |