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-rw-r--r--gcc/combine.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/combine.c b/gcc/combine.c
index 7ce6b32c59a..f82858023dc 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -11839,8 +11839,9 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2)
TEM is doing. If so, delete TEM. Otherwise, make this
into a REG_UNUSED note instead. Don't delete sets to
global register vars. */
- if (reg_set_p (XEXP (note, 0), PATTERN (tem))
- && !global_regs [REGNO(XEXP (note, 0))])
+ if ((REGNO (XEXP (note, 0)) >= FIRST_PSEUDO_REGISTER
+ || !global_regs[REGNO (XEXP (note, 0))])
+ && reg_set_p (XEXP (note, 0), PATTERN (tem)))
{
rtx set = single_set (tem);
rtx inner_dest = 0;