Author: jakub
Date: Thu Dec 8 13:36:40 2011
New Revision: 182112
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182112
Log:
Backport from mainline
2011-12-05 Jakub Jelinek <ja...@redhat.com>
Eric Botcazou <ebotca...@adacore.com>
PR middle-end/51323
PR middle-end/50074
* calls.c (internal_arg_pointer_exp_state): New variable.
(internal_arg_pointer_based_exp_1,
internal_arg_pointer_exp_scan): New functions.
(internal_arg_pointer_based_exp): New function.
(mem_overlaps_already_clobbered_arg_p): Use it.
(expand_call): Free internal_arg_pointer_exp_state.cache vector
and clear internal_arg_pointer_exp_state.scan_start.
2011-11-26 Joern Rennecke <joern.renne...@embecosm.com>
PR middle-end/50074
* calls.c (mem_overlaps_already_clobbered_arg_p):
Return false if no outgoing arguments have been stored so far.
2011-12-05 Jakub Jelinek <ja...@redhat.com>
Eric Botcazou <ebotca...@adacore.com>
PR middle-end/51323
PR middle-end/50074
* gcc.c-torture/execute/pr51323.c: New test.
Added:
branches/gcc-4_6-branch/gcc/testsuite/gcc.c-torture/execute/pr51323.c
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/calls.c
branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
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https://bugs.launchpad.net/bugs/897583
Title:
Code generation bug with -O2 (-foptimize-sibling-calls)
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