tequilaOS/platform_bionic
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Merge "Replace bx lr with update of pc from the stack."

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Christopher Ferris 2015-07-08 19:15:37 +00:00 committed by Gerrit Code Review
commit 90de6820f7
6 changed files with 9 additions and 18 deletions
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3
libc/arch-arm/cortex-a9/bionic/memcpy_base.S
View file

@ -133,8 +133,7 @@ ENTRY_PRIVATE(MEMCPY_BASE)
strbcs ip, [r0], #1
strbcs lr, [r0], #1
ldmfd sp!, {r0, lr}
bx lr
ldmfd sp!, {r0, pc}
END(MEMCPY_BASE)
ENTRY_PRIVATE(MEMCPY_BASE_ALIGNED)

6
libc/arch-arm/cortex-a9/bionic/memset.S
View file

@ -136,8 +136,7 @@ ENTRY_PRIVATE(__memset_large_copy)
strbcs r1, [r0], #1
strbmi r1, [r0], #1
subs r2, r2, r3
popls {r0, r4-r7, lr} /* return */
bxls lr
popls {r0, r4-r7, pc} /* return */
/* align the destination to a cache-line */
mov r12, r1
@ -180,8 +179,7 @@ ENTRY_PRIVATE(__memset_large_copy)
strhmi r1, [r0], #2
movs r2, r2, lsl #2
strbcs r1, [r0]
ldmfd sp!, {r0, r4-r7, lr}
bx lr
ldmfd sp!, {r0, r4-r7, pc}
END(__memset_large_copy)
.data

3
libc/arch-arm/generic/bionic/memcmp.S
View file

@ -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

6
libc/arch-arm/generic/bionic/memcpy.S
View file

@ -194,8 +194,7 @@ ENTRY(memcpy)
/* we're done! restore everything and return */
1: ldmfd sp!, {r5-r11}
ldmfd sp!, {r0, r4, lr}
bx lr
ldmfd sp!, {r0, r4, pc}
/********************************************************************/
@ -385,8 +384,7 @@ ENTRY(memcpy)
/* we're done! restore sp and spilled registers and return */
add sp, sp, #28
ldmfd sp!, {r0, r4, lr}
bx lr
ldmfd sp!, {r0, r4, pc}
END(memcpy)
// Only reached when the __memcpy_chk check fails.

6
libc/arch-arm/generic/bionic/memset.S
View file

@ -82,8 +82,7 @@ ENTRY(memset)
strbcs r1, [r0], #1
strbmi r1, [r0], #1
subs r2, r2, r3
popls {r0, r4-r7, lr} /* return */
bxls lr
popls {r0, r4-r7, pc} /* return */
/* align the destination to a cache-line */
mov r12, r1
@ -126,8 +125,7 @@ ENTRY(memset)
strhmi r1, [r0], #2
movs r2, r2, lsl #2
strbcs r1, [r0]
ldmfd sp!, {r0, r4-r7, lr}
bx lr
ldmfd sp!, {r0, r4-r7, pc}
END(memset)
.data

3
libc/arch-arm/krait/bionic/memcpy_base.S
View file

@ -118,6 +118,5 @@ ENTRY_PRIVATE(MEMCPY_BASE)
strbcs ip, [r0], #1
strbcs lr, [r0], #1
ldmfd sp!, {r0, lr}
bx lr
ldmfd sp!, {r0, pc}
END(MEMCPY_BASE)