This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/71680] [7 Regression] ICE: Max. number of generated reload insns per insn is achieved (90) w/ -Os -mlra
- From: "amodra at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 10 Aug 2016 05:44:08 +0000
- Subject: [Bug target/71680] [7 Regression] ICE: Max. number of generated reload insns per insn is achieved (90) w/ -Os -mlra
- Auto-submitted: auto-generated
- References: <bug-71680-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71680
--- Comment #16 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Wed Aug 10 05:43:36 2016
New Revision: 239317
URL: https://gcc.gnu.org/viewcvs?rev=239317&root=gcc&view=rev
Log:
[RS6000] e500 part of pr71680
The fallback part of HARD_REGNO_CALLER_SAVE_MODE, choose_hard_reg_mode,
returns DFmode for SImode when TARGET_E500_DOUBLE. This confuses
lra when attempting to save ctr around a call.
PR target/71680
* config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Return
SImode for TARGET_E500_DOUBLE when given SImode.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/rs6000/rs6000.h