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| author | Jim Wilson <wilson@redhat.com> | 2001-09-11 21:14:13 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 2001-09-11 14:14:13 -0700 |
| commit | 4e1a4144d473c9dd073cf57fd273458e2ac69d1d (patch) | |
| tree | d8e592ac7c818260a3015d24081d2359ed460c07 /gcc | |
| parent | fcbc317fc97f783c3477401f8d0f474d2d2bcc56 (diff) | |
| download | gcc-4e1a4144d473c9dd073cf57fd273458e2ac69d1d.zip gcc-4e1a4144d473c9dd073cf57fd273458e2ac69d1d.tar.gz gcc-4e1a4144d473c9dd073cf57fd273458e2ac69d1d.tar.bz2 | |
Fix 2 bugs in last patch.
* alias.c (clear_reg_alias_info): Only handle pseudo registers.
From-SVN: r45553
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/alias.c | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 25bf3ba..e217878 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2001-09-11 Jim Wilson <wilson@redhat.com> + + * alias.c (clear_reg_alias_info): Only handle pseudo registers. + 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu> * builtins.c (c_strlen): Treat an offset too large for a diff --git a/gcc/alias.c b/gcc/alias.c index 5da7740..61c1d8f 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -969,8 +969,10 @@ void clear_reg_alias_info (reg) rtx reg; { - if (REGNO (reg) < reg_known_value_size) - reg_known_value[REGNO (reg)] = reg; + unsigned int regno = REGNO (reg); + + if (regno < reg_known_value_size && regno >= FIRST_PSEUDO_REGISTER) + reg_known_value[regno] = reg; } /* Returns a canonical version of X, from the point of view alias |