From: Rajalakshmi Srinivasaraghavan <r...@linux.vnet.ibm.com>
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 <r...@linux.vnet.ibm.com>
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
target-ppc/helper.h | 4 ++++
target-ppc/int_helper.c | 25 +++++++++++++++++++++++++
target-ppc/translate/vmx-impl.inc.c | 10 ++++++++++
target-ppc/translate/vmx-ops.inc.c | 10 +++++++---
4 files changed, 46 insertions(+), 3 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 5ae10bc..686ce79 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -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)
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index 66a3d87..9b81d91 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -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) \
diff --git a/target-ppc/translate/vmx-impl.inc.c
b/target-ppc/translate/vmx-impl.inc.c
index 59ae68a..8e66ea0 100644
--- a/target-ppc/translate/vmx-impl.inc.c
+++ b/target-ppc/translate/vmx-impl.inc.c
@@ -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,
diff --git a/target-ppc/translate/vmx-ops.inc.c
b/target-ppc/translate/vmx-ops.inc.c
index e6abeae..01d36bb 100644
--- a/target-ppc/translate/vmx-ops.inc.c
+++ b/target-ppc/translate/vmx-ops.inc.c
@@ -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),
--
2.7.4
