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-rw-r--r--gcc/final.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/final.c b/gcc/final.c
index 5347fac..6d91aa0 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -5010,15 +5010,15 @@ collect_fn_hard_reg_usage (void)
call_used_reg_set))
return;
- IOR_HARD_REG_SET (function_used_regs, insn_used_regs);
+ function_used_regs |= insn_used_regs;
}
find_all_hard_reg_sets (insn, &insn_used_regs, false);
- IOR_HARD_REG_SET (function_used_regs, insn_used_regs);
+ function_used_regs |= insn_used_regs;
}
/* Be conservative - mark fixed and global registers as used. */
- IOR_HARD_REG_SET (function_used_regs, fixed_reg_set);
+ function_used_regs |= fixed_reg_set;
#ifdef STACK_REGS
/* Handle STACK_REGS conservatively, since the df-framework does not