From badc674ce4e77cd29645cd1cd9df5e57f47e08ae Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Mon, 18 Oct 2021 10:41:49 -0700
Subject: qbe: Fix jnz controlled by short/char type
Although we don't need the cnew in this case, we still need to do
the appropriate extension to 32-bit.
---
test/if-char.c | 5 +++++
test/if-char.qbe | 11 +++++++++++
2 files changed, 16 insertions(+)
create mode 100644 test/if-char.c
create mode 100644 test/if-char.qbe
(limited to 'test')
diff --git a/test/if-char.c b/test/if-char.c
new file mode 100644
index 0000000..c22d767
--- /dev/null
+++ b/test/if-char.c
@@ -0,0 +1,5 @@
+int main(void) {
+ if ((unsigned char)0x100)
+ return 1;
+ return 0;
+}
diff --git a/test/if-char.qbe b/test/if-char.qbe
new file mode 100644
index 0000000..d964db4
--- /dev/null
+++ b/test/if-char.qbe
@@ -0,0 +1,11 @@
+export
+function w $main() {
+@start.1
+@body.2
+ %.1 =w extub 256
+ jnz %.1, @if_true.3, @if_false.4
+@if_true.3
+ ret 1
+@if_false.4
+ ret 0
+}
--
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