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| author | Christopher Ferris <cferris@google.com> | 2015-07-06 12:03:40 -0700 |
|---|---|---|
| committer | Steve Kondik <steve@cyngn.com> | 2015-10-29 22:44:26 -0700 |
| commit | 544a9d40c3dbc6b1ba256f9557224f3049c1e033 (patch) | |
| tree | 92c711fcdfeaff6027125f3f7274edafaee76971 /libc/arch-arm/generic/bionic/memcmp.S | |
| parent | 532bb31d8333fc8f51667e3d5ec20a4c3d23c294 (diff) | |
| download | bionic-544a9d40c3dbc6b1ba256f9557224f3049c1e033.zip bionic-544a9d40c3dbc6b1ba256f9557224f3049c1e033.tar.gz bionic-544a9d40c3dbc6b1ba256f9557224f3049c1e033.tar.bz2 | |
Replace bx lr with update of pc from the stack.
When there is arm assembler of this format:
ldmxx sp!, {..., lr} or pop {..., lr}
bx lr
It can be replaced with:
ldmxx sp!, {..., pc} or pop {..., pc}
Change-Id: Ic27048c52f90ac4360ad525daf0361a830dc22a3
Diffstat (limited to 'libc/arch-arm/generic/bionic/memcmp.S')
| -rw-r--r-- | libc/arch-arm/generic/bionic/memcmp.S | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/libc/arch-arm/generic/bionic/memcmp.S b/libc/arch-arm/generic/bionic/memcmp.S index c78dbd4..6643d55 100644 --- a/libc/arch-arm/generic/bionic/memcmp.S +++ b/libc/arch-arm/generic/bionic/memcmp.S @@ -221,8 +221,7 @@ ENTRY(memcmp) bne 8b 9: /* restore registers and return */ - ldmfd sp!, {r4, lr} - bx lr + ldmfd sp!, {r4, pc} 10: /* process less than 12 bytes */ cmp r2, #0 |