Eliminate SUBREGs inside MEMs.

From-SVN: r39538

Eliminate SUBREGs inside MEMs.
From-SVN: r39538
04337620 · Bernd Schmidt · Bernd Schmidt · 870eabc4 · 04337620 · 04337620
Commit 04337620 authored Feb 08, 2001 by Bernd Schmidt Committed by Bernd Schmidt Feb 08, 2001
Hide whitespace changes
Inline Side-by-side

Showing with 9 additions and 2 deletions

gcc/ChangeLog
+5 -0

gcc/final.c
+4 -2

No files found.
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2001-02-08  Bernd Schmidt  <bernds@redhat.com>
+
+	* final.c (cleanup_subreg_operands): The address of a MEM can
+	contain SUBREGs.
+
 2001-02-08  Joseph S. Myers  <jsm28@cam.ac.uk>

 	* gcc.texi (Incompatibilities): Update documentation of

--- a/gcc/final.c
+++ b/gcc/final.c
@@ -3119,7 +3119,8 @@ cleanup_subreg_operands (insn)
      if (GET_CODE (recog_data.operand[i]) == SUBREG)
 	recog_data.operand[i] = alter_subreg (recog_data.operand[i]);
      else if (GET_CODE (recog_data.operand[i]) == PLUS
-	       || GET_CODE (recog_data.operand[i]) == MULT)
+	       || GET_CODE (recog_data.operand[i]) == MULT
+	       || GET_CODE (recog_data.operand[i]) == MEM)
 	recog_data.operand[i] = walk_alter_subreg (recog_data.operand[i]);
    }

@@ -3128,7 +3129,8 @@ cleanup_subreg_operands (insn)
      if (GET_CODE (*recog_data.dup_loc[i]) == SUBREG)
 	*recog_data.dup_loc[i] = alter_subreg (*recog_data.dup_loc[i]);
      else if (GET_CODE (*recog_data.dup_loc[i]) == PLUS
-	       || GET_CODE (*recog_data.dup_loc[i]) == MULT)
+	       || GET_CODE (*recog_data.dup_loc[i]) == MULT
+	       || GET_CODE (*recog_data.dup_loc[i]) == MEM)
 	*recog_data.dup_loc[i] = walk_alter_subreg (*recog_data.dup_loc[i]);
    }
 }