From 23075d174d2bff8ff3f3deef3c3d90b83da6bd2e Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 11 Sep 2018 18:46:52 -0700
Subject: altos/stm32f4: Align stack to 8 bytes

This makes sure that doubles are aligned properly when passed on the stack.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/kernel/ao_task.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'src/kernel')

diff --git a/src/kernel/ao_task.h b/src/kernel/ao_task.h
index f3789fa2..709e10c6 100644
--- a/src/kernel/ao_task.h
+++ b/src/kernel/ao_task.h
@@ -27,14 +27,12 @@
 #endif
 
 /* arm stacks must be 32-bit aligned */
+#ifndef AO_STACK_ALIGNMENT
 #ifdef __arm__
 #define AO_STACK_ALIGNMENT __attribute__ ((aligned(4)))
-#endif
-#ifdef SDCC
+#else
 #define AO_STACK_ALIGNMENT
 #endif
-#ifdef __AVR__
-#define AO_STACK_ALIGNMENT
 #endif
 
 /* An AltOS task */
-- 
cgit v1.2.3