From: Thomas Preud'homme <robotux@celest.fr>
Date: Tue, 5 Feb 2013 09:35:12 +0000 (+0100)
Subject: Align on 4n bytes when copying fct args on stack
X-Git-Tag: release_0_9_26~27
X-Git-Url: https://repo.or.cz/w/tinycc.git/commitdiff_plain/6c4d3244dacbf8dfd53deaed81b8b61d00714f37

Align on 4n bytes when copying fct args on stack

When copying function arguments on stack in prolog, use multiple of 4
bytes for alignment.
---

diff --git a/arm-gen.c b/arm-gen.c
index 03b5fd77..8dc6691f 100644
--- a/arm-gen.c
+++ b/arm-gen.c
@@ -1202,6 +1202,7 @@ void gfunc_prolog(CType *func_type)
       type = &sym->type;
       size = type_size(type, &align);
       size = (size + 3) >> 2;
+      align = (align + 3) & ~3;
 #ifdef TCC_ARM_HARDFLOAT
       if (!variadic && (is_float(sym->type.t)
           || is_float_hgen_aggr(&sym->type))) {