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(gen_lowpart_for_combine): Set reg_changes_size, if needed.

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From-SVN: r9206
This commit is contained in:
Richard Kenner 1995-03-18 16:57:49 -05:00
parent 88285acf31
commit 64bf47a22d
1 changed files with 8 additions and 0 deletions
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8
gcc/combine.c
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@ -8320,6 +8320,14 @@ gen_lowpart_for_combine (mode, x)
}
result = gen_lowpart_common (mode, x);
if (result != 0
&& GET_CODE (result) == SUBREG
&& GET_CODE (SUBREG_REG (result)) == REG
&& REGNO (SUBREG_REG (result)) >= FIRST_PSEUDO_REGISTER
&& (GET_MODE_SIZE (GET_MODE (result))
!= GET_MODE_SIZE (GET_MODE (SUBREG_REG (result)))))
reg_changes_size[REGNO (SUBREG_REG (result))] = 1;
if (result)
return result;