generic-library/bionic
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Remove the __ARM_FEATURE_DSP check.

Browse Source 
The check for __ARM_FEATURE_DSP being defined is pointless since it
is always defined.

Bug: 10971279

Change-Id: Id3f709cf9fd0e5a001be1a7dab5f249bcc16fe4c
This commit is contained in:
Christopher Ferris 2013-10-02 17:03:44 -07:00
parent 6166d30386
commit d2642fa70c
3 changed files with 0 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
libc/arch-arm/cortex-a15/bionic/strcmp.S
View File

@ -145,19 +145,8 @@ ENTRY(strcmp)
.macro magic_find_zero_bytes w1
/* Macro to find all-zero bytes in w1, result is in ip. */
#if (defined (__ARM_FEATURE_DSP))
uadd8 ip, \w1, r6
sel ip, r7, r6
#else /* not defined (__ARM_FEATURE_DSP) */
/* __ARM_FEATURE_DSP is not defined for some Cortex-M processors.
Coincidently, these processors only have Thumb-2 mode, where we can use the
the (large) magic constant available directly as an immediate in instructions.
Note that we cannot use the magic constant in ARM mode, where we need
to create the constant in a register. */
sub ip, \w1, #0x01010101
bic ip, ip, \w1
and ip, ip, #0x80808080
#endif /* not defined (__ARM_FEATURE_DSP) */
.endm /* magic_find_zero_bytes */
.macro setup_return w1 w2

11
libc/arch-arm/cortex-a9/bionic/strcmp.S
View File

@ -145,19 +145,8 @@ ENTRY(strcmp)
.macro magic_find_zero_bytes w1
/* Macro to find all-zero bytes in w1, result is in ip. */
#if (defined (__ARM_FEATURE_DSP))
uadd8 ip, \w1, r6
sel ip, r7, r6
#else /* not defined (__ARM_FEATURE_DSP) */
/* __ARM_FEATURE_DSP is not defined for some Cortex-M processors.
Coincidently, these processors only have Thumb-2 mode, where we can use the
the (large) magic constant available directly as an immediate in instructions.
Note that we cannot use the magic constant in ARM mode, where we need
to create the constant in a register. */
sub ip, \w1, #0x01010101
bic ip, ip, \w1
and ip, ip, #0x80808080
#endif /* not defined (__ARM_FEATURE_DSP) */
.endm /* magic_find_zero_bytes */
.macro setup_return w1 w2

11
libc/arch-arm/krait/bionic/strcmp.S
View File

@ -145,19 +145,8 @@ ENTRY(strcmp)
.macro magic_find_zero_bytes w1
/* Macro to find all-zero bytes in w1, result is in ip. */
#if (defined (__ARM_FEATURE_DSP))
uadd8 ip, \w1, r6
sel ip, r7, r6
#else /* not defined (__ARM_FEATURE_DSP) */
/* __ARM_FEATURE_DSP is not defined for some Cortex-M processors.
Coincidently, these processors only have Thumb-2 mode, where we can use the
the (large) magic constant available directly as an immediate in instructions.
Note that we cannot use the magic constant in ARM mode, where we need
to create the constant in a register. */
sub ip, \w1, #0x01010101
bic ip, ip, \w1
and ip, ip, #0x80808080
#endif /* not defined (__ARM_FEATURE_DSP) */
.endm /* magic_find_zero_bytes */
.macro setup_return w1 w2