Commit f1ecbaf4 authored by Simon Guo's avatar Simon Guo Committed by Michael Ellerman
Browse files

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: default avatarSimon Guo <wei.guo.simon@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 2d9ee327

arch/powerpc/include/asm/ppc-opcode.h

+11 −0
Original line number Diff line number Diff line
@@ -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 */

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