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powerpc: add vcmpequd/vcmpequb ppc instruction macro 

Some old tool chains don't know about instructions like vcmpequd.

This patch adds .long macro for vcmpequd and vcmpequb, which is
a preparation to optimize ppc64 memcmp with VMX instructions.

Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Simon Guo 2018-06-07 09:57:52 +08:00 committed by Michael Ellerman
parent 2d9ee327ad
commit f1ecbaf466
1 changed files with 11 additions and 0 deletions
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11
arch/powerpc/include/asm/ppc-opcode.h
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@ -367,6 +367,8 @@
#define PPC_INST_STFDX 0x7c0005ae
#define PPC_INST_LVX 0x7c0000ce
#define PPC_INST_STVX 0x7c0001ce
#define PPC_INST_VCMPEQUD 0x100000c7
#define PPC_INST_VCMPEQUB 0x10000006
/* macros to insert fields into opcodes */
#define ___PPC_RA(a) (((a) & 0x1f) << 16)
@ -397,6 +399,7 @@
#define __PPC_BI(s) (((s) & 0x1f) << 16)
#define __PPC_CT(t) (((t) & 0x0f) << 21)
#define __PPC_SPR(r) ((((r) & 0x1f) << 16) | ((((r) >> 5) & 0x1f) << 11))
#define __PPC_RC21 (0x1 << 10)
/*
* Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a
@ -568,4 +571,12 @@
((IH & 0x7) << 21))
#define PPC_INVALIDATE_ERAT PPC_SLBIA(7)
#define VCMPEQUD_RC(vrt, vra, vrb) stringify_in_c(.long PPC_INST_VCMPEQUD | \
___PPC_RT(vrt) | ___PPC_RA(vra) | \
___PPC_RB(vrb) | __PPC_RC21)
#define VCMPEQUB_RC(vrt, vra, vrb) stringify_in_c(.long PPC_INST_VCMPEQUB | \
___PPC_RT(vrt) | ___PPC_RA(vra) | \
___PPC_RB(vrb) | __PPC_RC21)
#endif /* _ASM_POWERPC_PPC_OPCODE_H */