[Bug target/112332] [14 regression] ICE: internal compiler error: in extract_constrain_insn, at recog.cc:2705

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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112332

--- Comment #6 from Sergei Trofimovich  ---
I confirm that the fix also fixes original python-3.11.6 build failure. Thank
you!

[Bug target/112332] [14 regression] ICE: internal compiler error: in extract_constrain_insn, at recog.cc:2705

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112332

Uroš Bizjak  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Target||x86
 Status|UNCONFIRMED |RESOLVED
   Target Milestone|--- |14.0

--- Comment #5 from Uroš Bizjak  ---
Fixed.

[Bug target/112332] [14 regression] ICE: internal compiler error: in extract_constrain_insn, at recog.cc:2705

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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112332

--- Comment #4 from CVS Commits  ---
The master branch has been updated by Uros Bizjak :

https://gcc.gnu.org/g:64f3a1937a2b87ebe5f3c1bf2ceec48bfbcd4ccf

commit r14-5056-g64f3a1937a2b87ebe5f3c1bf2ceec48bfbcd4ccf
Author: Uros Bizjak 
Date:   Wed Nov 1 12:06:36 2023 +0100

i386: Fix stack protector peephole2 operand predicate [PR112332]

PR target/112332

gcc/ChangeLog:

* config/i386/i386.md (stack_protexct_set_2 peephole2):
Use general_gr_operand as operand 4 predicate.

[Bug target/112332] [14 regression] ICE: internal compiler error: in extract_constrain_insn, at recog.cc:2705

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112332

--- Comment #3 from Uroš Bizjak  ---
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 35d073c9a21..75c75f610c2 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -25748,7 +25748,7 @@ (define_peephole2
  (set (match_operand:W 2 "general_reg_operand") (const_int 0))
  (clobber (reg:CC FLAGS_REG))])
(set (match_operand:SWI48 3 "general_reg_operand")
-   (match_operand:SWI48 4 "general_operand"))]
+   (match_operand:SWI48 4 "general_gr_operand"))]
   "peep2_reg_dead_p (0, operands[3])
&& peep2_reg_dead_p (1, operands[2])"
   [(parallel [(set (match_dup 0)

[Bug target/112332] [14 regression] ICE: internal compiler error: in extract_constrain_insn, at recog.cc:2705

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112332

--- Comment #2 from Uroš Bizjak  ---
(In reply to Sergei Trofimovich from comment #1)
> Slightly shorter example:
> 
> typedef union {
>   double d;
>   int L[2];
> } U;
> void d2b(int*);
> void _Py_dg_dtoa(double dd) {
>   int be;
>   U u;
>   u.d = dd;
>   if ((&u)->L[1])
> d2b(&be);
> }

Let's put back those extran constraints...

[Bug target/112332] [14 regression] ICE: internal compiler error: in extract_constrain_insn, at recog.cc:2705

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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112332

--- Comment #1 from Sergei Trofimovich  ---
Slightly shorter example:

typedef union {
  double d;
  int L[2];
} U;
void d2b(int*);
void _Py_dg_dtoa(double dd) {
  int be;
  U u;
  u.d = dd;
  if ((&u)->L[1])
d2b(&be);
}