|
@@ -1,45 +0,0 @@
|
|
|
-2020-01-23 Jakub Jelinek <jakub@redhat.com>
|
|
|
-
|
|
|
- PR rtl-optimization/93402
|
|
|
- * postreload.c (reload_combine_recognize_pattern): Don't try to adjust
|
|
|
- USE insns.
|
|
|
-
|
|
|
- * gcc.c-torture/execute/pr93402.c: New test.
|
|
|
-
|
|
|
---- a/gcc/postreload.c.jj 2020-01-12 11:54:36.000000000 +0100
|
|
|
-+++ b/gcc/postreload.c 2020-01-23 17:23:25.359929516 +0100
|
|
|
-@@ -1078,6 +1078,10 @@ reload_combine_recognize_pattern (rtx_in
|
|
|
- struct reg_use *use = reg_state[regno].reg_use + i;
|
|
|
- if (GET_MODE (*use->usep) != mode)
|
|
|
- return false;
|
|
|
-+ /* Don't try to adjust (use (REGX)). */
|
|
|
-+ if (GET_CODE (PATTERN (use->insn)) == USE
|
|
|
-+ && &XEXP (PATTERN (use->insn), 0) == use->usep)
|
|
|
-+ return false;
|
|
|
- }
|
|
|
-
|
|
|
- /* Look for (set (REGX) (CONST_INT))
|
|
|
---- a/gcc/testsuite/gcc.c-torture/execute/pr93402.c.jj 2020-01-23 17:25:46.496803852 +0100
|
|
|
-+++ b/gcc/testsuite/gcc.c-torture/execute/pr93402.c 2020-01-23 17:25:05.221425501 +0100
|
|
|
-@@ -0,0 +1,21 @@
|
|
|
-+/* PR rtl-optimization/93402 */
|
|
|
-+
|
|
|
-+struct S { unsigned int a; unsigned long long b; };
|
|
|
-+
|
|
|
-+__attribute__((noipa)) struct S
|
|
|
-+foo (unsigned long long x)
|
|
|
-+{
|
|
|
-+ struct S ret;
|
|
|
-+ ret.a = 0;
|
|
|
-+ ret.b = x * 11111111111ULL + 111111111111ULL;
|
|
|
-+ return ret;
|
|
|
-+}
|
|
|
-+
|
|
|
-+int
|
|
|
-+main ()
|
|
|
-+{
|
|
|
-+ struct S a = foo (1);
|
|
|
-+ if (a.a != 0 || a.b != 122222222222ULL)
|
|
|
-+ __builtin_abort ();
|
|
|
-+ return 0;
|
|
|
-+}
|