From 51e61fa5fa3de8cabc2191a5c6ac4d18aaaaf049 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Wed, 19 Jan 2022 11:12:59 -0800
Subject: Handle unary minus specially instead of 0 - x

This is necessary to fix unary negation of floating-point 0 (also
depends on a pending qbe patch).
---
 test/const-expr-neg.c   | 1 +
 test/const-expr-neg.qbe | 1 +
 2 files changed, 2 insertions(+)
 create mode 100644 test/const-expr-neg.c
 create mode 100644 test/const-expr-neg.qbe

(limited to 'test')

diff --git a/test/const-expr-neg.c b/test/const-expr-neg.c
new file mode 100644
index 0000000..0918aa9
--- /dev/null
+++ b/test/const-expr-neg.c
@@ -0,0 +1 @@
+double x = -0.0;
diff --git a/test/const-expr-neg.qbe b/test/const-expr-neg.qbe
new file mode 100644
index 0000000..b380795
--- /dev/null
+++ b/test/const-expr-neg.qbe
@@ -0,0 +1 @@
+export data $x = align 8 { d d_-0, }
-- 
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