diff options
| author | Leif Lindholm <quic_llindhol@quicinc.com> | 2020-10-01 19:37:10 +0100 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-10-02 15:48:02 +0000 |
| commit | ae79efb7bd436068156605ae7111b93dab710546 (patch) | |
| tree | 9c52a0f628e23bd2701b38c751c6cf667ef3e3a2 | |
| parent | 80bbea192aa44ab664ba8be29ac06c83f246e99c (diff) | |
| download | edk2-ae79efb7bd436068156605ae7111b93dab710546.tar.gz | |
MdePkg/BaseLib: use normal register init in ARM SetJump implementations
There may be architectures on which there are benefits to
eor r0, r0(, r0)
but ARM was never one of them. Change to more readable
mov r0, #0
instead.
Signed-off-by: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
| -rw-r--r-- | MdePkg/Library/BaseLib/Arm/SetJumpLongJump.S | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.S b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.S index e4c1946a28..e913202522 100644 --- a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.S +++ b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.S @@ -33,7 +33,7 @@ GCC_ASM_EXPORT(InternalLongJump) ASM_PFX(SetJump):
mov r3, r13
stmia r0, {r3-r12,r14}
- eor r0, r0, r0
+ mov r0, #0
bx lr
#/**
diff --git a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm index e1eff758f7..ef02d85e0e 100644 --- a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm +++ b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm @@ -33,7 +33,7 @@ SetJump
MOV R3, R13
STM R0, {R3-R12,R14}
- EOR R0, R0
+ MOV RO, #0
BX LR
;/**
|