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target-ppc: add vector extract instructions 

The following vector extract instructions are added from ISA 3.0.

vextractub - Vector Extract Unsigned Byte
vextractuh - Vector Extract Unsigned Halfword
vextractuw - Vector Extract Unsigned Word
vextractd - Vector Extract Unsigned Doubleword

Signed-off-by: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Rajalakshmi Srinivasaraghavan 2016-09-06 10:34:07 +05:30 committed by David Gibson
parent e7b1e06fbc
commit b5d569a1bb
4 changed files with 46 additions and 3 deletions
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4
target-ppc/helper.h
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@ -250,6 +250,10 @@ DEF_HELPER_2(vspltisw, void, avr, i32)
DEF_HELPER_3(vspltb, void, avr, avr, i32)
DEF_HELPER_3(vsplth, void, avr, avr, i32)
DEF_HELPER_3(vspltw, void, avr, avr, i32)
DEF_HELPER_3(vextractub, void, avr, avr, i32)
DEF_HELPER_3(vextractuh, void, avr, avr, i32)
DEF_HELPER_3(vextractuw, void, avr, avr, i32)
DEF_HELPER_3(vextractd, void, avr, avr, i32)
DEF_HELPER_3(vinsertb, void, avr, avr, i32)
DEF_HELPER_3(vinserth, void, avr, avr, i32)
DEF_HELPER_3(vinsertw, void, avr, avr, i32)

25
target-ppc/int_helper.c
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@ -1812,6 +1812,31 @@ VINSERT(h, u16)
VINSERT(w, u32)
VINSERT(d, u64)
#undef VINSERT
#if defined(HOST_WORDS_BIGENDIAN)
#define VEXTRACT(suffix, element) \
void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
{ \
uint32_t es = sizeof(r->element[0]); \
memmove(&r->u8[8 - es], &b->u8[index], es); \
memset(&r->u8[8], 0, 8); \
memset(&r->u8[0], 0, 8 - es); \
}
#else
#define VEXTRACT(suffix, element) \
void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
{ \
uint32_t es = sizeof(r->element[0]); \
uint32_t s = (16 - index) - es; \
memmove(&r->u8[8], &b->u8[s], es); \
memset(&r->u8[0], 0, 8); \
memset(&r->u8[8 + es], 0, 8 - es); \
}
#endif
VEXTRACT(ub, u8)
VEXTRACT(uh, u16)
VEXTRACT(uw, u32)
VEXTRACT(d, u64)
#undef VEXTRACT
#define VSPLTI(suffix, element, splat_type) \
void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \

10
target-ppc/translate/vmx-impl.inc.c
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@ -664,6 +664,10 @@ static void glue(gen_, name)(DisasContext *ctx) \
GEN_VXFORM_UIMM(vspltb, 6, 8);
GEN_VXFORM_UIMM(vsplth, 6, 9);
GEN_VXFORM_UIMM(vspltw, 6, 10);
GEN_VXFORM_UIMM_SPLAT(vextractub, 6, 8, 15);
GEN_VXFORM_UIMM_SPLAT(vextractuh, 6, 9, 14);
GEN_VXFORM_UIMM_SPLAT(vextractuw, 6, 10, 12);
GEN_VXFORM_UIMM_SPLAT(vextractd, 6, 11, 8);
GEN_VXFORM_UIMM_SPLAT(vinsertb, 6, 12, 15);
GEN_VXFORM_UIMM_SPLAT(vinserth, 6, 13, 14);
GEN_VXFORM_UIMM_SPLAT(vinsertw, 6, 14, 12);
@ -672,6 +676,12 @@ GEN_VXFORM_UIMM_ENV(vcfux, 5, 12);
GEN_VXFORM_UIMM_ENV(vcfsx, 5, 13);
GEN_VXFORM_UIMM_ENV(vctuxs, 5, 14);
GEN_VXFORM_UIMM_ENV(vctsxs, 5, 15);
GEN_VXFORM_DUAL(vspltb, PPC_NONE, PPC2_ALTIVEC_207,
vextractub, PPC_NONE, PPC2_ISA300);
GEN_VXFORM_DUAL(vsplth, PPC_NONE, PPC2_ALTIVEC_207,
vextractuh, PPC_NONE, PPC2_ISA300);
GEN_VXFORM_DUAL(vspltw, PPC_NONE, PPC2_ALTIVEC_207,
vextractuw, PPC_NONE, PPC2_ISA300);
GEN_VXFORM_DUAL(vspltisb, PPC_NONE, PPC2_ALTIVEC_207,
vinsertb, PPC_NONE, PPC2_ISA300);
GEN_VXFORM_DUAL(vspltish, PPC_NONE, PPC2_ALTIVEC_207,

10
target-ppc/translate/vmx-ops.inc.c
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@ -197,6 +197,13 @@ GEN_VXRFORM_DUAL(vcmpbfp, vcmpgtsd, 3, 15, PPC_ALTIVEC, PPC_NONE)
#define GEN_VXFORM_DUAL_INV(name0, name1, opc2, opc3, inval0, inval1, type) \
GEN_OPCODE_DUAL(name0##_##name1, 0x04, opc2, opc3, inval0, inval1, type, \
PPC_NONE)
GEN_VXFORM_DUAL_INV(vspltb, vextractub, 6, 8, 0x00000000, 0x100000,
PPC2_ALTIVEC_207),
GEN_VXFORM_DUAL_INV(vsplth, vextractuh, 6, 9, 0x00000000, 0x100000,
PPC2_ALTIVEC_207),
GEN_VXFORM_DUAL_INV(vspltw, vextractuw, 6, 10, 0x00000000, 0x100000,
PPC2_ALTIVEC_207),
GEN_VXFORM_300_EXT(vextractd, 6, 11, 0x100000),
GEN_VXFORM_DUAL_INV(vspltisb, vinsertb, 6, 12, 0x00000000, 0x100000,
PPC2_ALTIVEC_207),
GEN_VXFORM_DUAL_INV(vspltish, vinserth, 6, 13, 0x00000000, 0x100000,
@ -226,9 +233,6 @@ GEN_VXFORM_NOA(vrfiz, 5, 9),
#define GEN_VXFORM_UIMM(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC)
GEN_VXFORM_UIMM(vspltb, 6, 8),
GEN_VXFORM_UIMM(vsplth, 6, 9),
GEN_VXFORM_UIMM(vspltw, 6, 10),
GEN_VXFORM_UIMM(vcfux, 5, 12),
GEN_VXFORM_UIMM(vcfsx, 5, 13),
GEN_VXFORM_UIMM(vctuxs, 5, 14),