* stmt.c (expand_asm_operands): Update commentary.

From-SVN: r46301

* stmt.c (expand_asm_operands): Update commentary.
From-SVN: r46301
2ec37136 · Florian Weimer · Richard Henderson · abe72dd8 · 2ec37136 · 2ec37136
Commit 2ec37136 authored Oct 17, 2001 by Florian Weimer Committed by Richard Henderson Oct 16, 2001
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gcc/ChangeLog
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gcc/stmt.c
+3 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2001-10-16  Florian Weimer  <fw@deneb.enyo.de>
+
+	* stmt.c (expand_asm_operands): Update commentary.
+
 2001-10-16  Stan Shebs  <shebs@apple.com>

 	* config/darwin.h (GCC_NAME): Remove, no longer used.

--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1458,7 +1458,9 @@ parse_output_constraint (constraint_p,
   STRING is the instruction template.
   OUTPUTS is a list of output arguments (lvalues); INPUTS a list of inputs.
   Each output or input has an expression in the TREE_VALUE and
-   a constraint-string in the TREE_PURPOSE.
+   and a tree list in TREE_PURPOSE which in turn contains a constraint
+   name in TREE_VALUE (or NULL_TREE) and a constraint string 
+   in TREE_PURPOSE.
   CLOBBERS is a list of STRING_CST nodes each naming a hard register
   that is clobbered by this insn.