(store_split_bit_field): Reject gen_lowpart_common

output if it returns the input value. From-SVN: r6430

(store_split_bit_field): Reject gen_lowpart_common
output if it returns the input value. From-SVN: r6430
bc8a0e39 · Jim Wilson · 9033081d · bc8a0e39
Commit bc8a0e39 authored Jan 24, 1994 by Jim Wilson
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gcc/expmed.c
+1 -1

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--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -691,7 +691,7 @@ store_split_bit_field (op0, bitsize, bitpos, value, align)
    {
      rtx word = gen_lowpart_common (word_mode, value);

-      if (word)
+      if (word && (value != word))
 	value = word;
      else
 	value = gen_lowpart_common (word_mode,