[SH][committed] Move and adjust testcase pr55212-c248.c

[Oleg Endo]

Committed to master.

gcc/testsuite/ChangeLog:

        PR target/55212
        * gcc.target/sh/pr55212-c248.c: Move to ..
        * gcc.target/sh/torture/pr55212-c248.c: .. here.  Skip it for -O0.


From 552476a97b55ff86d95cb6ec23a93bb54f8eee18 Mon Sep 17 00:00:00 2001
From: Oleg Endo <olege...@gcc.gnu.org>
Date: Wed, 1 Jul 2026 11:58:29 +0900
Subject: [PATCH] SH: Move and adjust testcase pr55212-c248.c

gcc/testsuite/ChangeLog:

	PR target/55212
	* gcc.target/sh/pr55212-c248.c: Move to ..
	* gcc.target/sh/torture/pr55212-c248.c: .. here.  Skip it for -O0.
---
 gcc/testsuite/gcc.target/sh/{pr55212-c248.c => torture/pr55212-c248.c} | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/gcc/testsuite/gcc.target/sh/pr55212-c248.c b/gcc/testsuite/gcc.target/sh/torture/pr55212-c248.c
similarity index 79%
rename from gcc/testsuite/gcc.target/sh/pr55212-c248.c
rename to gcc/testsuite/gcc.target/sh/torture/pr55212-c248.c
index 94fd6af..264f395 100644
--- a/gcc/testsuite/gcc.target/sh/pr55212-c248.c
+++ b/gcc/testsuite/gcc.target/sh/torture/pr55212-c248.c
@@ -1,17 +1,25 @@
 /* { dg-do run }  */
-/* { dg-options "-O2 -m4 -mlra -ffixed-r7 -ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 -ffixed-r13" } */
+/* { dg-options "-ffixed-r7 -ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 -ffixed-r13" }  */
+/* { dg-skip-if "over-constrained regs when not optimizting" { *-*-* } { "-O0" } { "" } }  */
+
+/* The 'block_lump_real_i4' insn that is emitted on SH4 will use up regs
+   r0~r6.  With r7~r13 being artificially fixed for this test case, there
+   is only r14 (frame pointer) and r15 (stack pointer) left.  When compiling
+   with -O0 the frame pointer is not eliminated and there are no free registers
+   remaining and it will ICE.  */
+
 #include <stdlib.h>
 #include <string.h>
 
 typedef struct { int c[64]; } obj;
 obj obj0;
 obj obj1;
 
 void __attribute__ ((noinline))
 bar (int a, int b, int c, int d, obj *q)
 {
-  if (q->c[0] != 0x12345678 || q->c[1] != 0xdeadbeef) 
+  if (q->c[0] != 0x12345678 || q->c[1] != 0xdeadbeef)
     abort ();
 }
 
 void foo (obj *p)
--
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