From 9fe28b610ebe6f60a0840c3b6620a3418d703830 Mon Sep 17 00:00:00 2001
From: Shinichiro Hamaji <shinichiro.hamaji _at_ gmail.com>
Date: Tue, 14 Apr 2009 01:12:29 +0900
Subject: x86-64: Make ABI for long double compatible with GCC.

- Now we use x87's stack top the long double return values.
- Add rc_fret and reg_fret, wrapper functions for RC_FRET and REG_FRET.
- Add a test case to check if strto* works OK.
---
 tcctest.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'tcctest.c')

diff --git a/tcctest.c b/tcctest.c
index bc6818b..be47c90 100644
--- a/tcctest.c
+++ b/tcctest.c
@@ -1399,6 +1399,11 @@ void bitfield_test(void)
 #define FLOAT_FMT "%.5f\n"
 #endif
 
+/* declare strto* functions as they are C99 */
+double strtod(const char *nptr, char **endptr);
+float strtof(const char *nptr, char **endptr);
+long double strtold(const char *nptr, char **endptr);
+
 #define FTEST(prefix, type, fmt)\
 void prefix ## cmp(type a, type b)\
 {\
@@ -1455,6 +1460,7 @@ void prefix ## call(void)\
     printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
     printf("double: %f\n", prefix ## retd(42.123456789));\
     printf("long double: %Lf\n", prefix ## retld(42.123456789));\
+    printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
 }\
 \
 void prefix ## test(void)\
-- 
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