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Import gcc fix for -fstack-protector that produces segfaulting

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binaries on arm/armel.

Related gcc bug:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35965

PR: 161128
MFC after: 1 week
This commit is contained in:
Fabien Thomas 2011-11-09 15:59:02 +00:00
parent 23a541f4f7
commit da5a448eb2
1 changed files with 4 additions and 2 deletions
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6
contrib/gcc/config/arm/arm.c
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@ -3217,7 +3217,8 @@ legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
gcc_assert (!no_new_pseudos);
if (arm_pic_register != INVALID_REGNUM)
{
cfun->machine->pic_reg = gen_rtx_REG (Pmode, arm_pic_register);
if (!cfun->machine->pic_reg)
cfun->machine->pic_reg = gen_rtx_REG (Pmode, arm_pic_register);
/* Play games to avoid marking the function as needing pic
if we are being called as part of the cost-estimation
@ -3229,7 +3230,8 @@ legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
{
rtx seq;
cfun->machine->pic_reg = gen_reg_rtx (Pmode);
if (!cfun->machine->pic_reg)
cfun->machine->pic_reg = gen_reg_rtx (Pmode);
/* Play games to avoid marking the function as needing pic
if we are being called as part of the cost-estimation