am 3901b1bd
: Merge "Remove the __ARM_FEATURE_DSP check."
* commit '3901b1bdd939973a72e01272177757b2524995d3': Remove the __ARM_FEATURE_DSP check.
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commit
0292c1c81d
@ -145,19 +145,8 @@ ENTRY(strcmp)
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.macro magic_find_zero_bytes w1
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/* Macro to find all-zero bytes in w1, result is in ip. */
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#if (defined (__ARM_FEATURE_DSP))
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uadd8 ip, \w1, r6
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sel ip, r7, r6
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#else /* not defined (__ARM_FEATURE_DSP) */
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/* __ARM_FEATURE_DSP is not defined for some Cortex-M processors.
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Coincidently, these processors only have Thumb-2 mode, where we can use the
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the (large) magic constant available directly as an immediate in instructions.
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Note that we cannot use the magic constant in ARM mode, where we need
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to create the constant in a register. */
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sub ip, \w1, #0x01010101
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bic ip, ip, \w1
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and ip, ip, #0x80808080
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#endif /* not defined (__ARM_FEATURE_DSP) */
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.endm /* magic_find_zero_bytes */
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.macro setup_return w1 w2
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@ -145,19 +145,8 @@ ENTRY(strcmp)
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.macro magic_find_zero_bytes w1
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/* Macro to find all-zero bytes in w1, result is in ip. */
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#if (defined (__ARM_FEATURE_DSP))
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uadd8 ip, \w1, r6
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sel ip, r7, r6
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#else /* not defined (__ARM_FEATURE_DSP) */
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/* __ARM_FEATURE_DSP is not defined for some Cortex-M processors.
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Coincidently, these processors only have Thumb-2 mode, where we can use the
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the (large) magic constant available directly as an immediate in instructions.
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Note that we cannot use the magic constant in ARM mode, where we need
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to create the constant in a register. */
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sub ip, \w1, #0x01010101
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bic ip, ip, \w1
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and ip, ip, #0x80808080
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#endif /* not defined (__ARM_FEATURE_DSP) */
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.endm /* magic_find_zero_bytes */
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.macro setup_return w1 w2
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@ -145,19 +145,8 @@ ENTRY(strcmp)
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.macro magic_find_zero_bytes w1
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/* Macro to find all-zero bytes in w1, result is in ip. */
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#if (defined (__ARM_FEATURE_DSP))
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uadd8 ip, \w1, r6
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sel ip, r7, r6
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#else /* not defined (__ARM_FEATURE_DSP) */
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/* __ARM_FEATURE_DSP is not defined for some Cortex-M processors.
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Coincidently, these processors only have Thumb-2 mode, where we can use the
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the (large) magic constant available directly as an immediate in instructions.
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Note that we cannot use the magic constant in ARM mode, where we need
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to create the constant in a register. */
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sub ip, \w1, #0x01010101
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bic ip, ip, \w1
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and ip, ip, #0x80808080
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#endif /* not defined (__ARM_FEATURE_DSP) */
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.endm /* magic_find_zero_bytes */
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.macro setup_return w1 w2
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