6a, 8a: allow $(-1) for consistency with $1, $(1), $-1.

R=ken2 CC=golang-dev https://golang.org/cl/5373074

6a, 8a: allow $(-1) for consistency with $1, $(1), $-1.
R=ken2 CC=golang-dev https://golang.org/cl/5373074
6d9c02ae · Russ Cox · 351daf87 · 6d9c02ae · 6d9c02ae
Commit 6d9c02ae authored Nov 11, 2011 by Russ Cox
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src/cmd/6a/a.y src/cmd/6a/a.y +6 -0

src/cmd/8a/a.y src/cmd/8a/a.y +6 -0

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--- a/src/cmd/6a/a.y
+++ b/src/cmd/6a/a.y
@@ -429,6 +429,12 @@ imm:
 		$$.type = D_FCONST;
 		$$.dval = $3;
 	}
+|	'$' '(' '-' LFCONST ')'
+	{
+		$$ = nullgen;
+		$$.type = D_FCONST;
+		$$.dval = -$4;
+	}
 |	'$' '-' LFCONST
 	{
 		$$ = nullgen;

--- a/src/cmd/8a/a.y
+++ b/src/cmd/8a/a.y
@@ -392,6 +392,12 @@ imm:
 		$$.type = D_FCONST;
 		$$.dval = $3;
 	}
+|	'$' '(' '-' LFCONST ')'
+	{
+		$$ = nullgen;
+		$$.type = D_FCONST;
+		$$.dval = -$4;
+	}
 |	'$' '-' LFCONST
 	{
 		$$ = nullgen;