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authorRichard Henderson <rth@cygnus.com>2000-04-04 18:23:57 -0700
committerRichard Henderson <rth@gcc.gnu.org>2000-04-04 18:23:57 -0700
commit055be976e64047401d8b736b123b227f6da1cbdb (patch)
tree07bd1c9b2ac74a5b83def68a27eddb3fe1720cf3 /gcc
parentb26e3a8231f0283a4da8a352a8909cdb334310fc (diff)
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regrename.c (consider_available): Test fixed_regs not PIC_OFFSET_TABLE_REGNUM.
* regrename.c (consider_available): Test fixed_regs not PIC_OFFSET_TABLE_REGNUM. From-SVN: r32919
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/regrename.c7
2 files changed, 9 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c0a375a..07f70dc 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2000-04-04 Richard Henderson <rth@cygnus.com>
+
+ * regrename.c (consider_available): Test fixed_regs not
+ PIC_OFFSET_TABLE_REGNUM.
+
2000-04-04 Geoff Keating <geoffk@cygnus.com>
* config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
diff --git a/gcc/regrename.c b/gcc/regrename.c
index 816a5d2..b07b105 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;