From 8a1a2a60336264a5f96fae4c7f02424c6928b7c3 Mon Sep 17 00:00:00 2001
From: Michael Matz <matz@suse.de>
Date: Wed, 13 Jul 2016 15:11:40 +0200
Subject: Implement __builtin_choose_expr

Follows GCC implementation.
---
 tccgen.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'tccgen.c')

diff --git a/tccgen.c b/tccgen.c
index bbe1d83..c006f71 100644
--- a/tccgen.c
+++ b/tccgen.c
@@ -4238,6 +4238,35 @@ ST_FUNC void unary(void)
             vpushi(is_compatible_types(&type1, &type2));
         }
         break;
+    case TOK_builtin_choose_expr:
+	{
+	    int saved_nocode_wanted, c;
+	    next();
+	    skip('(');
+	    c = expr_const();
+	    skip(',');
+	    if (!c) {
+		saved_nocode_wanted = nocode_wanted;
+		nocode_wanted = 1;
+	    }
+	    expr_eq();
+	    if (!c) {
+		vpop();
+		nocode_wanted = saved_nocode_wanted;
+	    }
+	    skip(',');
+	    if (c) {
+		saved_nocode_wanted = nocode_wanted;
+		nocode_wanted = 1;
+	    }
+	    expr_eq();
+	    if (c) {
+		vpop();
+		nocode_wanted = saved_nocode_wanted;
+	    }
+	    skip(')');
+	}
+        break;
     case TOK_builtin_constant_p:
         {
             int saved_nocode_wanted, res;
-- 
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