[Bug bootstrap/69709] [6 Regression] profiled bootstrap error on s390x-linux-gnu with r233194

[rth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69709

Richard Henderson <rth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rth at gcc dot gnu.org

--- Comment #11 from Richard Henderson <rth at gcc dot gnu.org> ---
Ho hum.  I've been looking at this this afternoon too.
Just to be sure we're on the same page, it's the insv
splitters not handling overlapping inputs.


diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md
index 2c90eae..a3f3f0a 100644
--- a/gcc/config/s390/s390.md
+++ b/gcc/config/s390/s390.md
@@ -3883,6 +3883,12 @@
                 (ashift:GPR (match_dup 3) (match_dup 4))))]
 {
   operands[5] = GEN_INT ((1UL << UINTVAL (operands[4])) - 1);
+  if (rtx_equal_p (operands[0], operands[3]))
+    {
+      if (!can_create_pseudo_p ())
+       FAIL;
+      operands[3] = copy_to_reg (operands[3]);
+    }
 })

 (define_split
@@ -3903,6 +3909,12 @@
      (clobber (reg:CC CC_REGNUM))])]
 {
   operands[5] = GEN_INT ((1UL << UINTVAL (operands[4])) - 1);
+  if (rtx_equal_p (operands[0], operands[3]))
+    {
+      if (!can_create_pseudo_p ())
+       FAIL;
+      operands[3] = copy_to_reg (operands[3]);
+    }
 })

 (define_insn "*r<noxa>sbg_<mode>_noshift"