diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/mips/fix-r4000-5.c')
-rw-r--r-- | gcc/testsuite/gcc.target/mips/fix-r4000-5.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/mips/fix-r4000-5.c b/gcc/testsuite/gcc.target/mips/fix-r4000-5.c new file mode 100644 index 000000000..c14e949f2 --- /dev/null +++ b/gcc/testsuite/gcc.target/mips/fix-r4000-5.c @@ -0,0 +1,8 @@ +/* ??? At the moment, lower-subreg.c decomposes the copy of the multiplication + result to $2, which prevents the register allocators from storing the + multiplication result in $2. */ +/* { dg-options "-mips1 -mfix-r4000 -O2 -fno-split-wide-types -dp -EL" } */ +typedef unsigned int uint32_t; +typedef unsigned long long uint64_t; +uint64_t foo (uint32_t x, uint32_t y) { return (uint64_t) x * y; } +/* { dg-final { scan-assembler "[concat {\tmultu\t\$[45],\$[45][^\n]+umulsidi3_32bit_r4000[^\n]+\n\tmflo\t\$2\n\tmfhi\t\$3\n}]" } } */ |