From 2cbd75bbab472b6861dc0ae806e41cf139518fe6 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Fri, 22 Feb 2019 12:25:50 -0800
Subject: Implement __builtin_alloca

---
 qbe.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'qbe.c')

diff --git a/qbe.c b/qbe.c
index 7cc0719..4332b9c 100644
--- a/qbe.c
+++ b/qbe.c
@@ -830,6 +830,9 @@ funcexpr(struct function *f, struct expression *e)
 		case BUILTINVAEND:
 			/* no-op */
 			break;
+		case BUILTINALLOCA:
+			l = funcexpr(f, e->builtin.arg);
+			return funcinst(f, IALLOC16, &iptr, (struct value *[]){l});
 		default:
 			fatal("internal error: unimplemented builtin");
 		}
-- 
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