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expand_expr tweaks to fix PR57134

Message ID 20131001095308.GA24236@bubble.grove.modra.org
State New
Headers show

Commit Message

Alan Modra Oct. 1, 2013, 9:53 a.m. UTC
I'm committing this cleanup patch to my PR 57134,57586 changes as
obvious.  That it is obvious can be seen from an assert in
tree-ssa-operands.c get_asm_expr_operands().

      /* This should have been split in gimplify_asm_expr.  */
      gcc_assert (!allows_reg || !is_inout);

Bootstrapped, etc. powerpc64-linux.

	* stmt.c (expand_asm_operands): Revert part of 2013-09-24 special
	casing inout operands.
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Patch

Index: gcc/stmt.c
===================================================================
--- gcc/stmt.c	(revision 203053)
+++ gcc/stmt.c	(working copy)
@@ -807,9 +807,7 @@  expand_asm_operands (tree string, tree outputs, tr
 	  || is_inout)
 	{
 	  op = expand_expr (val, NULL_RTX, VOIDmode,
-			    !allows_reg ? EXPAND_MEMORY
-			    : !is_inout ? EXPAND_WRITE
-			    : EXPAND_NORMAL);
+			    !allows_reg ? EXPAND_MEMORY : EXPAND_WRITE);
 	  if (MEM_P (op))
 	    op = validize_mem (op);