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re PR rtl-optimization/88416 (ICE in in df_uses_record, at df-scan.c:3013) 

PR rtl-optimization/88416
	* valtrack.c (cleanup_auto_inc_dec): Handle pre/post-inc/dec/modify
	even if !AUTO_INC_DEC.

	* gcc.target/i386/pr88416.c: New test.

From-SVN: r267105
This commit is contained in:
Jakub Jelinek 2018-12-13 20:44:50 +01:00 committed by Jakub Jelinek
parent ab0cdfdd97
commit 51beaeba8a
4 changed files with 14 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-12-13 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/88416
* valtrack.c (cleanup_auto_inc_dec): Handle pre/post-inc/dec/modify
even if !AUTO_INC_DEC.
2018-12-13 David Edelsohn <dje.gcc@gmail.com>
* config/rs6000/rs6000.c (rs6000_function_arg): Ensure type is

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2018-12-13 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/88416
* gcc.target/i386/pr88416.c: New test.
PR tree-optimization/88464
* gcc.target/i386/avx512f-pr88462-1.c: New test.
* gcc.target/i386/avx512f-pr88462-2.c: New test.

5
gcc/testsuite/gcc.target/i386/pr88416.c Normal file
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@ -0,0 +1,5 @@
/* PR rtl-optimization/88416 */
/* { dg-do compile } */
/* { dg-options "-O1 -fvar-tracking-assignments -fno-forward-propagate --param max-cse-insns=1" } */
#include "writeeflags-1.c"

2
gcc/valtrack.c
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@ -56,8 +56,6 @@ static rtx
cleanup_auto_inc_dec (rtx src, machine_mode mem_mode ATTRIBUTE_UNUSED)
{
rtx x = src;
if (!AUTO_INC_DEC)
return copy_rtx (x);
const RTX_CODE code = GET_CODE (x);
int i;