https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63718
Bug ID: 63718
Summary: ARM Thumb1 bootstrap fail after fuse-caller-save info
in cprop-hardreg
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: joey.ye at arm dot com
architecture option: --with-arch=armv4t --with-mode=thumb
BOOT_CFLAGS="-O2 -g"
(Stage2) Error message:
src/gcc/trunk/libgcc/libgcc2.c: In function ‘__mulvdi3’:
src/gcc/trunk/libgcc/libgcc2.h:209:20: internal compiler error: Segmentation
fault
First bad version: trunk@216365
Date: Fri Oct 17 06:36:45 2014 +0000
Use fuse-caller-save info in cprop-hardreg
2014-10-17 Tom de Vries <t...@codesourcery.com>
PR rtl-optimization/61605
* regcprop.c (copyprop_hardreg_forward_1): Use
regs_invalidated_by_this_call instead of regs_invalidated_by_call.
* gcc.target/i386/fuse-caller-save.c: Update addition check. Add movl
absence check.
