diff options
| author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2018-11-09 04:26:39 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2018-11-12 10:51:54 +0000 |
| commit | bc2eca9a682881f9da3cc7e2d75b752e549a134d (patch) | |
| tree | 16fcd1563623fd65ccc04358db0588fcba21cb8b /arch/arm/mm/copypage-xsc3.c | |
| parent | 82c08c3e7f171aa7f579b231d0abbc1d62e91974 (diff) | |
ARM: 8811/1: always list both ldrd/strd registers explicitly
The ldrd and strd instructions work on a pair of consecutive registers.
It is possible to specify either the first register in the pair, or both
registers explicitly. Let's always do the later to make things clearer.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm/mm/copypage-xsc3.c')
| -rw-r--r-- | arch/arm/mm/copypage-xsc3.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/arch/arm/mm/copypage-xsc3.c b/arch/arm/mm/copypage-xsc3.c index 55cbc3a89d85..a08158241ad1 100644 --- a/arch/arm/mm/copypage-xsc3.c +++ b/arch/arm/mm/copypage-xsc3.c @@ -37,25 +37,25 @@ static void xsc3_mc_copy_user_page(void *kto, const void *kfrom) 1: pld [%1, #64] \n\ pld [%1, #96] \n\ \n\ -2: ldrd r2, [%1], #8 \n\ - ldrd r4, [%1], #8 \n\ +2: ldrd r2, r3, [%1], #8 \n\ + ldrd r4, r5, [%1], #8 \n\ mcr p15, 0, %0, c7, c6, 1 @ invalidate\n\ - strd r2, [%0], #8 \n\ - ldrd r2, [%1], #8 \n\ - strd r4, [%0], #8 \n\ - ldrd r4, [%1], #8 \n\ - strd r2, [%0], #8 \n\ - strd r4, [%0], #8 \n\ - ldrd r2, [%1], #8 \n\ - ldrd r4, [%1], #8 \n\ + strd r2, r3, [%0], #8 \n\ + ldrd r2, r3, [%1], #8 \n\ + strd r4, r5, [%0], #8 \n\ + ldrd r4, r5, [%1], #8 \n\ + strd r2, r3, [%0], #8 \n\ + strd r4, r5, [%0], #8 \n\ + ldrd r2, r3, [%1], #8 \n\ + ldrd r4, r5, [%1], #8 \n\ mcr p15, 0, %0, c7, c6, 1 @ invalidate\n\ - strd r2, [%0], #8 \n\ - ldrd r2, [%1], #8 \n\ + strd r2, r3, [%0], #8 \n\ + ldrd r2, r3, [%1], #8 \n\ subs %2, %2, #1 \n\ - strd r4, [%0], #8 \n\ - ldrd r4, [%1], #8 \n\ - strd r2, [%0], #8 \n\ - strd r4, [%0], #8 \n\ + strd r4, r5, [%0], #8 \n\ + ldrd r4, r5, [%1], #8 \n\ + strd r2, r3, [%0], #8 \n\ + strd r4, r5, [%0], #8 \n\ bgt 1b \n\ beq 2b " : "+&r" (kto), "+&r" (kfrom), "=&r" (tmp) @@ -87,10 +87,10 @@ void xsc3_mc_clear_user_highpage(struct page *page, unsigned long vaddr) mov r2, #0 \n\ mov r3, #0 \n\ 1: mcr p15, 0, %0, c7, c6, 1 @ invalidate line\n\ - strd r2, [%0], #8 \n\ - strd r2, [%0], #8 \n\ - strd r2, [%0], #8 \n\ - strd r2, [%0], #8 \n\ + strd r2, r3, [%0], #8 \n\ + strd r2, r3, [%0], #8 \n\ + strd r2, r3, [%0], #8 \n\ + strd r2, r3, [%0], #8 \n\ subs r1, r1, #1 \n\ bne 1b" : "=r" (ptr) |