Thumb-2: Implement the unified arch/arm/lib functions

This patch adds the ARM/Thumb-2 unified support for the arch/arm/lib/*
files.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

1 files changed, 7 insertions, 8 deletions

diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S
index 844f56785ebc..1279abd8b886 100644
--- a/arch/arm/lib/clear_user.S
+++ b/arch/arm/lib/clear_user.S
@@ -27,21 +27,20 @@ WEAK(__clear_user)
                 ands    ip, r0, #3
                 beq     1f
                 cmp     ip, #2
-USER(           strbt   r2, [r0], #1)
-USER(           strlebt r2, [r0], #1)
-USER(           strltbt r2, [r0], #1)
+                strusr  r2, r0, 1
+                strusr  r2, r0, 1, le
+                strusr  r2, r0, 1, lt
                 rsb     ip, ip, #4
                 sub     r1, r1, ip              @  7  6  5  4  3  2  1
 1:              subs    r1, r1, #8              @ -1 -2 -3 -4 -5 -6 -7
-USER(           strplt  r2, [r0], #4)
-USER(           strplt  r2, [r0], #4)
+                strusr  r2, r0, 4, pl, rept=2
                 bpl     1b
                 adds    r1, r1, #4              @  3  2  1  0 -1 -2 -3
-USER(           strplt  r2, [r0], #4)
+                strusr  r2, r0, 4, pl
 2:              tst     r1, #2                  @ 1x 1x 0x 0x 1x 1x 0x
-USER(           strnebt r2, [r0], #1)
-USER(           strnebt r2, [r0], #1)
+                strusr  r2, r0, 1, ne, rept=2
                 tst     r1, #1                  @ x1 x0 x1 x0 x1 x0 x1
+                it      ne                      @ explicit IT needed for the label
 USER(           strnebt r2, [r0])
                 mov     r0, #0
                 ldmfd   sp!, {r1, pc}