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author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-05 01:23:57 +0000 |
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committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-05 01:23:57 +0000 |
commit | 22d9265e4c9b07227ad1ccf2bf4e6417711353c7 (patch) | |
tree | 07bd1c9b2ac74a5b83def68a27eddb3fe1720cf3 /gcc/regrename.c | |
parent | 0567ecbdd65d9d23cd9618709a8c6a1f4b6219f3 (diff) | |
download | gcc-22d9265e4c9b07227ad1ccf2bf4e6417711353c7.tar.gz |
* regrename.c (consider_available): Test fixed_regs not
PIC_OFFSET_TABLE_REGNUM.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32919 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/regrename.c')
-rw-r--r-- | gcc/regrename.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/regrename.c b/gcc/regrename.c index 816a5d262d1..b07b1055610 100644 --- a/gcc/regrename.c +++ b/gcc/regrename.c @@ -776,6 +776,9 @@ consider_available (reg_use, avail_reg, avail_regs, rc, du, inum) if (!TEST_HARD_REG_BIT (*avail_regs, avail_reg)) return 0; + if (fixed_regs[avail_reg]) + return 0; + #ifdef HARD_REGNO_RENAME_OK if (!HARD_REGNO_RENAME_OK (REGNO (reg_use), avail_reg)) return 0; @@ -810,9 +813,7 @@ consider_available (reg_use, avail_reg, avail_regs, rc, du, inum) /* If register is a callee-saved register it must be saved in the frame. call saved registers can not be added to regs_ever_live after reload, as it would invalidate most elimination offsets */ - if (regs_ever_live[avail_reg] || call_used_regs[avail_reg] - || (avail_reg == PIC_OFFSET_TABLE_REGNUM - && flag_pic && (current_function_uses_pic_offset_table))) + if (regs_ever_live[avail_reg] || call_used_regs[avail_reg]) return 1; return 0; |