x86-64 ABI fixes.

abitest now passes; however test1-3 fail in init_test. All other tests
pass. I need to re-test Win32 and Linux-x86.

I've added a dummy implementation of gfunc_sret to c67-gen.c so it
should now compile, and I think it should behave as before I created
gfunc_sret.

1 files changed, 8 insertions, 3 deletions

diff --git a/arm-gen.c b/arm-gen.c
index 03262aa..0f70062 100644
--- a/arm-gen.c
+++ b/arm-gen.c
@@ -801,16 +801,21 @@ int assign_fpreg(struct avail_regs *avregs, int align, int size)
 #endif
 
 /* Return 1 if this function returns via an sret pointer, 0 otherwise */
-ST_FUNC int gfunc_sret(CType *vt, CType *ret, int *align) {
+ST_FUNC int gfunc_sret(CType *vt, CType *ret, int *ret_align) {
+#if TCC_ARM_EABI
+    int size, align;
     size = type_size(vt, &align);
     if (size > 4) {
         return 1;
     } else {
-        *align = 4;
+        *ret_align = 4;
         ret->ref = NULL;
         ret->t = VT_INT;
+        return 0;
     }
-    return 0;
+#else
+    return 1;
+#endif
 }
 
 /* Generate function call. The function address is pushed first, then