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author | Andreas Krebbel <krebbel1@de.ibm.com> | 2008-01-17 16:18:59 +0000 |
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committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2008-01-17 16:18:59 +0000 |
commit | 599824d24ab2e824ba8af60c123debc03023a94d (patch) | |
tree | 5121992dd80b8b1bb8673bf19c1c5051d0828766 /gcc/global.c | |
parent | 9328dd5725be9ddbca3350bf0586b30c3b920a6d (diff) | |
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global.c (find_reg): Mark the eh regs as used if necessary.
2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
* global.c (find_reg): Mark the eh regs as used if necessary.
* ra-conflict.c (global_conflicts): Set no_eh_reg flag.
* ra.h (struct allocno): no_eh_reg field added. Changed
no_stack_reg type to bitfield.
From-SVN: r131601
Diffstat (limited to 'gcc/global.c')
-rw-r--r-- | gcc/global.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/global.c b/gcc/global.c index 8be113d..c805f57 100644 --- a/gcc/global.c +++ b/gcc/global.c @@ -1011,6 +1011,16 @@ find_reg (int num, HARD_REG_SET losers, int alt_regs_p, int accept_call_clobbere IOR_HARD_REG_SET (used1, losers); IOR_COMPL_HARD_REG_SET (used1, reg_class_contents[(int) class]); + +#ifdef EH_RETURN_DATA_REGNO + if (allocno[num].no_eh_reg) + { + unsigned int j; + for (j = 0; EH_RETURN_DATA_REGNO (j) != INVALID_REGNUM; j++) + SET_HARD_REG_BIT (used1, EH_RETURN_DATA_REGNO (j)); + } +#endif + COPY_HARD_REG_SET (used2, used1); IOR_HARD_REG_SET (used1, allocno[num].hard_reg_conflicts); |