[Bug 836588]

[Ramana-gcc]

Author: ramana
Date: Wed Jan 25 08:52:39 2012
New Revision: 183512

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183512
Log:

2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan at linaro.org>

	PR rtl-optimization/48308
	* combine.c (enum undo_kind): Add UNDO_LINKS.
	(struct undo): Add member l to other_contents and where.
	(do_SUBST_LINK): New.
	(SUBST_LINK): New.
	(try_combine): Handle LOG_LINKS for the dummy i1 case.
	(undo_all): Handle UNDO_LINKS.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c

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https://bugs.launchpad.net/bugs/836588

Title:
  armel FTBFS with gcc 4.5 org 4.6 O2 and fPIC

Status in The GNU Compiler Collection:
  In Progress
Status in Linaro GCC:
  Triaged
Status in “gcc-4.5” package in Ubuntu:
  Confirmed
Status in “gcc-4.6” package in Ubuntu:
  Confirmed
Status in “gmime2.4” package in Ubuntu:
  Fix Released

Bug description:
  A reference to an inexistent label in the asm file causes FTBFS.
  Using -O1 or dropping -fPIC works fine, so does gcc-4.4 with O2 and fPIC on.

  gcc -DHAVE_CONFIG_H -I. -I.. -I.. -I../util -DGMIME_VERSION=\"2.4.26\" -DGMIME_MAJOR_VERSION=2 -DGMIME_MINOR_VERSION=4 -DGMIME_MICRO_VERSION=26 -DG_LOG_DOMAIN=\"gmime\" -DG_DISABLE_DEPRECATED -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -pthread -I/usr/include/glib-2.0 -I/usr/lib/arm-linux-gnueabi/glib-2.0/include  -O2  -c gmime-param.c  -fPIC  -o .libs/gmime-param.o
  /tmp/ccDqUYcb.s: Assembler messages:
  /tmp/ccDqUYcb.s:1153: Error: can't resolve `.rodata' {.rodata section} - `.LPIC20' {*UND* section}

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