harec

commit 5c3500d282d81b52b2170bd9129d3207fc38cba1
parent 05eaf97669316cbcee41a9a81e06797d36349d9d
Author: Drew DeVault <sir@cmpwn.com>
Date:   Sat, 14 Aug 2021 14:30:59 +0200

gen: fix negation

Signed-off-by: Drew DeVault <sir@cmpwn.com>

Diffstat:
M
src/gen.c
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/gen.c b/src/gen.c
@@ -2486,8 +2486,8 @@ gen_expr_unarithm(struct gen_context *ctx,
 		val = gen_expr(ctx, operand);
 		temp = mktemp(ctx, operand->result, ".%d");
 		qval = mkqval(ctx, &val), qtmp = mkqval(ctx, &temp);
-		struct qbe_value minusone = constl(-1);
-		pushi(ctx->current, &qtmp, Q_MUL, &qval, &minusone, NULL);
+		struct qbe_value zero = constl(0);
+		pushi(ctx->current, &qtmp, Q_SUB, &zero, &qval, NULL);
 		return temp;
 	case UN_PLUS:
 		return gen_expr(ctx, operand);