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ARM: 8811/1: always list both ldrd/strd registers explicitly

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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>
This commit is contained in:
Nicolas Pitre
2018-11-09 04:26:39 +01:00
committed by Russell King
parent 82c08c3e7f
commit bc2eca9a68
4 changed files with 49 additions and 49 deletions
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40
arch/arm/mm/copypage-xsc3.c
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@@ -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)