(record_value_for_reg): Properly set SUBST_LOW_CUID for last change;

otherwise won't get best value. From-SVN: r4099

(record_value_for_reg): Properly set SUBST_LOW_CUID for last change;
otherwise won't get best value. From-SVN: r4099
2afabb48 · Richard Kenner · 96c10aa1 · 2afabb48
Commit 2afabb48 authored Apr 12, 1993 by Richard Kenner
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gcc/combine.c
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--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -8925,6 +8925,7 @@ record_value_for_reg (reg, insn, value)
  if (value)
    {
+      subst_low_cuid = INSN_CUID (insn);
      reg_last_set_mode[regno] = GET_MODE (reg);
      reg_last_set_nonzero_bits[regno] = nonzero_bits (value, GET_MODE (reg));
      reg_last_set_sign_bit_copies[regno]