diff options
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index a84d894..95b16ca 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -744,12 +744,12 @@ find_base_value (src) return new_reg_base_value[regno]; /* If a pseudo has a known base value, return it. Do not do this - for hard regs since it can result in a circular dependency - chain for registers which have values at function entry. + for non-fixed hard regs since it can result in a circular + dependency chain for registers which have values at function entry. The test above is not sufficient because the scheduler may move a copy out of an arg reg past the NOTE_INSN_FUNCTION_BEGIN. */ - if (regno >= FIRST_PSEUDO_REGISTER + if ((regno >= FIRST_PSEUDO_REGISTER || fixed_regs[regno]) && regno < reg_base_value_size && reg_base_value[regno]) return reg_base_value[regno]; |