diff options
| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-03-14 09:13:21 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-03-14 09:13:21 +0000 |
| commit | 075b89133ec371480bdcf670d3f412b1cf131b0e (patch) | |
| tree | 886089b9e7d4c6715a0cb2e14ea0de271b83cce4 /os/ports/GCC/ARM7/chcoreasm.s | |
| parent | f1bb1a01ca40b8c999346c701450fcf0ca74827a (diff) | |
| download | ChibiOS-075b89133ec371480bdcf670d3f412b1cf131b0e.tar.gz ChibiOS-075b89133ec371480bdcf670d3f412b1cf131b0e.tar.bz2 ChibiOS-075b89133ec371480bdcf670d3f412b1cf131b0e.zip | |
Performance optimization (not complete yet).
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1739 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ports/GCC/ARM7/chcoreasm.s')
| -rw-r--r-- | os/ports/GCC/ARM7/chcoreasm.s | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/os/ports/GCC/ARM7/chcoreasm.s b/os/ports/GCC/ARM7/chcoreasm.s index 5e2029019..8726d0c28 100644 --- a/os/ports/GCC/ARM7/chcoreasm.s +++ b/os/ports/GCC/ARM7/chcoreasm.s @@ -105,8 +105,8 @@ _port_switch_thumb: _port_switch_arm:
#ifdef CH_CURRP_REGISTER_CACHE
stmfd sp!, {r4, r5, r6, r8, r9, r10, r11, lr}
- str sp, [r0, #16]
- ldr sp, [r1, #16]
+ str sp, [r1, #16]
+ ldr sp, [r0, #16]
#ifdef THUMB_PRESENT
ldmfd sp!, {r4, r5, r6, r8, r9, r10, r11, lr}
bx lr
@@ -115,8 +115,8 @@ _port_switch_arm: #endif /* !THUMB_PRESENT */
#else /* !CH_CURRP_REGISTER_CACHE */
stmfd sp!, {r4, r5, r6, r7, r8, r9, r10, r11, lr}
- str sp, [r0, #12]
- ldr sp, [r1, #12]
+ str sp, [r1, #12]
+ ldr sp, [r0, #12]
#ifdef THUMB_PRESENT
ldmfd sp!, {r4, r5, r6, r7, r8, r9, r10, r11, lr}
bx lr
|