[Bug rtl-optimization/37360] [4.4 Regression] ICE in haifa-sched.c when compiling __popcountsi2 from libgcc

[jiez at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37360

--- Comment #23 from Jie Zhang <jiez at gcc dot gnu.org> 2010-10-23 00:38:16 
UTC ---
Author: jiez
Date: Sat Oct 23 00:38:13 2010
New Revision: 165880

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165880
Log:
    PR rtl-optimization/37360
    * config/mips/mips.c (cached_can_issue_more): New local variable.
    (mips_sched_reorder_1): New.
    (mips_sched_reorder): Use mips_sched_reorder_1.
    (mips_sched_reorder2): New.
    (mips_variable_issue): Set cached_can_issue_more.
    (TARGET_SCHED_REORDER2): Define to mips_sched_reorder2
    instead of mips_sched_reorder.

    Revert
    2008-09-09  Andrey Belevantsev  <a...@ispras.ru>
    PR rtl-optimization/37360
    * haifa-sched.c (max_issue): Do not assert that we never issue more
    insns than issue_rate.  Add comment.

    testsuite/
    PR rtl-optimization/37360
    * gcc.dg/pr37360.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr37360.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/mips/mips.c
    trunk/gcc/haifa-sched.c
    trunk/gcc/testsuite/ChangeLog