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MIPS: Remove unused PREF, PREFE & PREFX macros

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asm/asm.h provides PREF(), PREFE() & PREFX() macros which are now
entirely unused. Delete the dead code.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/20908/
Cc: linux-mips@linux-mips.org
This commit is contained in:
Paul Burton 2018-10-15 18:33:23 +00:00
parent 1d6fb222bd
commit 7f8502a539
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1 changed files with 0 additions and 36 deletions
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arch/mips/include/asm/asm.h
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@ -103,42 +103,6 @@ symbol = value
8: .asciiz msg; \
.popsection;
/*
* MIPS IV pref instruction.
* Use with .set noreorder only!
*
* MIPS IV implementations are free to treat this as a nop. The R5000
* is one of them. So we should have an option not to use this instruction.
*/
#ifdef CONFIG_CPU_HAS_PREFETCH
#define PREF(hint,addr) \
.set push; \
.set arch=r5000; \
pref hint, addr; \
.set pop
#define PREFE(hint, addr) \
.set push; \
.set mips0; \
.set eva; \
prefe hint, addr; \
.set pop
#define PREFX(hint,addr) \
.set push; \
.set arch=r5000; \
prefx hint, addr; \
.set pop
#else /* !CONFIG_CPU_HAS_PREFETCH */
#define PREF(hint, addr)
#define PREFE(hint, addr)
#define PREFX(hint, addr)
#endif /* !CONFIG_CPU_HAS_PREFETCH */
/*
* Stack alignment
*/