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-rw-r--r--gcc/testsuite/gcc.target/mips/fix-r4000-9.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/mips/fix-r4000-9.c b/gcc/testsuite/gcc.target/mips/fix-r4000-9.c
new file mode 100644
index 000000000..68724eb37
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/fix-r4000-9.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 "-mips3 -mfix-r4000 -mgp64 -O2 -fno-split-wide-types -dp -EL" } */
+typedef long long int64_t;
+typedef int int128_t __attribute__((mode(TI)));
+int128_t foo (int64_t x, int64_t y) { return (int128_t) x * y; }
+/* { dg-final { scan-assembler "[concat {\tdmult\t\$[45],\$[45][^\n]+mulditi3_r4000[^\n]+\n\tmflo\t\$2\n\tmfhi\t\$3\n}]" } } */