The variables are "localized" using ASM_PN_FORMAT for MMIX and the
lines to match look like:
Deleted dead store: y::4 = y;
Deleted dead store: x::3 = x;
gcc/testsuite:
* gcc.dg/tree-ssa/ssa-dse-26.c: Adjust for mmix.
--- gcc/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-26.c.orig Wed Feb 12 06:58:23 2020
+++ gcc/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-26.c Mon Jul 27 02:59:34 2020
@@ -31,12 +31,14 @@ constraint_equal (struct constraint a, s
}
/* Most targets should be using this test. */
-/* { dg-final { scan-tree-dump-times "Deleted dead store: x = " 1 "dse1" {
target { ! tic6x-*-* } } } } */
-/* { dg-final { scan-tree-dump-times "Deleted dead store: y = " 1 "dse1" {
target { ! tic6x-*-* } } } } */
+/* { dg-final { scan-tree-dump-times "Deleted dead store: x = " 1 "dse1" {
target { ! { tic6x-*-* mmix-knuth-mmixware } } } } } */
+/* { dg-final { scan-tree-dump-times "Deleted dead store: y = " 1 "dse1" {
target { ! { tic6x-*-* mmix-knuth-mmixware } } } } } */
/* The c6x port generates significantly different gimple which
changes the SRA and DSE decisions. Verify we remove all
- dead stores. */
+ dead stores. Similarly for mmix. */
/* { dg-final { scan-tree-dump-times "Deleted dead store: \[ax\].. = " 2
"dse1" { target tic6x-*-* } } } */
/* { dg-final { scan-tree-dump-times "Deleted dead store: \[by\].. = " 2
"dse1" { target tic6x-*-* } } } */
+/* { dg-final { scan-tree-dump-times "Deleted dead store: x::. = " 1 "dse1" {
target mmix-knuth-mmixware } } } */
+/* { dg-final { scan-tree-dump-times "Deleted dead store: y::. = " 1 "dse1" {
target mmix-knuth-mmixware } } } */
