[Bug rtl-optimization/57032] [4.9/5/6 Regression]: internal compiler error: Max. number of generated reload insns per insn is achieved (90)

["ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57032

--- Comment #14 from Uroš Bizjak <ubizjak at gmail dot com> ---
Created attachment 35312
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35312&action=edit
Reduced testcase for QImode subreg reload problem

Reduced testcase, compile with -O2 for alpha-linux-target:

tt.c: In function ‘gomp_team_start’:
tt.c:80:1: internal compiler error: Max. number of generated reload insns per
insn is achieved (90)

 }
 ^
0x8d5314 lra_constraints(bool)
        /home/uros/gcc-svn/trunk/gcc/lra-constraints.c:4366
0x8c1d8c lra(_IO_FILE*)
        /home/uros/gcc-svn/trunk/gcc/lra.c:2315
0x883879 do_reload
        /home/uros/gcc-svn/trunk/gcc/ira.c:5418
0x883879 execute
        /home/uros/gcc-svn/trunk/gcc/ira.c:5589
Please submit a full bug report,
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Subject: [Bug rtl-optimization/57032] [4.9/5/6 Regression]: internal compiler error: Max. number of generated reload insns per insn is achieved (90)
Date: Tue, 14 Apr 2015 16:54:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57032

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ra
             Status|SUSPENDED                   |NEW
   Target Milestone|4.9.3                       |6.0
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Subject: [Bug target/65729] [5/6 Regression] ICE (in prohibited_class_reg_set_mode_p, at lra-constraints.c) on arm-linux-gnueabihf
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ide729

--- Comment #11 from Yvan Roux <yroux at gcc dot gnu.org> ---
Author: yroux
Date: Tue Apr 14 17:21:54 2015
New Revision: 222101

URL: https://gcc.gnu.org/viewcvs?rev"2101&root=gcc&view=rev
Log:
gcc/
2015-04-14  Yvan Roux  <yvan.roux@linaro.org>

    PR target/65729
    * lra-constraints.c (prohibited_class_reg_set_mode_p): Restore and fix
    the assertiion.

gcc/testsuite/
2015-04-14  Yvan Roux  <yvan.roux@linaro.org>

    PR target/65729
    * gcc.target/arm/pr65729.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/arm/pr65729.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog