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MdePkg/BaseMemoryLibOptDxe: replace deprecated uses of IT blocks

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The ARM architecture version 8 deprecates all uses of the IT instruction
except cases where it is followed by a single narrow instruction. So
replace any occurrences with equivalent sequences that adhere to the
new rules.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Ard Biesheuvel
2016-09-26 15:55:05 -07:00
parent c4f637077e
commit eab2678815
5 changed files with 33 additions and 27 deletions
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2
MdePkg/Library/BaseMemoryLibOptDxe/Arm/CompareMem.S
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@@ -132,7 +132,7 @@ ASM_PFX(InternalMemCompareMem):
ldrb data2, [src2], #1
subs limit, limit, #1
it cs
cmpcs data1, data2
cmpcs.n data1, data2
beq 1b
sub result, data1, data2
pop {r4-r8, pc}