From: Sandipan Das <sandipandas1...@gmail.com>
Adds following instructions:
vabsdub: Vector Absolute Difference Unsigned Byte
vabsduh: Vector Absolute Difference Unsigned Halfword
vabsduw: Vector Absolute Difference Unsigned Word
Signed-off-by: Sandipan Das <sandipandas1...@gmail.com>
[ use ISA300 define. Drop etype ]
Signed-off-by: Nikunj A Dadhania <nik...@linux.vnet.ibm.com>
---
target-ppc/helper.h | 3 +++
target-ppc/int_helper.c | 24 ++++++++++++++++++++++++
target-ppc/translate/vmx-impl.c | 9 +++++++++
target-ppc/translate/vmx-ops.c | 6 +++---
4 files changed, 39 insertions(+), 3 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 27f2638..1e68060 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -118,6 +118,9 @@ DEF_HELPER_3(vsubudm, void, avr, avr, avr)
DEF_HELPER_3(vavgub, void, avr, avr, avr)
DEF_HELPER_3(vavguh, void, avr, avr, avr)
DEF_HELPER_3(vavguw, void, avr, avr, avr)
+DEF_HELPER_3(vabsdub, void, avr, avr, avr)
+DEF_HELPER_3(vabsduh, void, avr, avr, avr)
+DEF_HELPER_3(vabsduw, void, avr, avr, avr)
DEF_HELPER_3(vavgsb, void, avr, avr, avr)
DEF_HELPER_3(vavgsh, void, avr, avr, avr)
DEF_HELPER_3(vavgsw, void, avr, avr, avr)
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index 15947ad..ef487d0 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -629,6 +629,30 @@ VAVG(w, s32, int64_t, u32, uint64_t)
#undef VAVG_DO
#undef VAVG
+#define VABSDU_DO(name, element) \
+void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+{ \
+ int i; \
+ \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ r->element[i] = (a->element[i] > b->element[i]) ? \
+ (a->element[i] - b->element[i]) : \
+ (b->element[i] - a->element[i]); \
+ } \
+}
+
+/* VABSDU - Vector absolute difference unsigned
+ * name - instruction mnemonic suffix (b: byte, h: halfword, w: word)
+ * element - element type to access from vector
+ */
+#define VABSDU(type, element) \
+ VABSDU_DO(absdu##type, element)
+VABSDU(b, u8)
+VABSDU(h, u16)
+VABSDU(w, u32)
+#undef VABSDU_DO
+#undef VABSDU
+
#define VCF(suffix, cvt, element) \
void helper_vcf##suffix(CPUPPCState *env, ppc_avr_t *r, \
ppc_avr_t *b, uint32_t uim) \
diff --git a/target-ppc/translate/vmx-impl.c b/target-ppc/translate/vmx-impl.c
index a58aa0c..f4ee05b 100644
--- a/target-ppc/translate/vmx-impl.c
+++ b/target-ppc/translate/vmx-impl.c
@@ -285,8 +285,17 @@ GEN_VXFORM(vminsh, 1, 13);
GEN_VXFORM(vminsw, 1, 14);
GEN_VXFORM(vminsd, 1, 15);
GEN_VXFORM(vavgub, 1, 16);
+GEN_VXFORM(vabsdub, 1, 16);
+GEN_VXFORM_DUAL(vavgub, PPC_ALTIVEC, PPC_NONE, \
+ vabsdub, PPC_NONE, PPC2_ISA300)
GEN_VXFORM(vavguh, 1, 17);
+GEN_VXFORM(vabsduh, 1, 17);
+GEN_VXFORM_DUAL(vavguh, PPC_ALTIVEC, PPC_NONE, \
+ vabsduh, PPC_NONE, PPC2_ISA300)
GEN_VXFORM(vavguw, 1, 18);
+GEN_VXFORM(vabsduw, 1, 18);
+GEN_VXFORM_DUAL(vavguw, PPC_ALTIVEC, PPC_NONE, \
+ vabsduw, PPC_NONE, PPC2_ISA300)
GEN_VXFORM(vavgsb, 1, 20);
GEN_VXFORM(vavgsh, 1, 21);
GEN_VXFORM(vavgsw, 1, 22);
diff --git a/target-ppc/translate/vmx-ops.c b/target-ppc/translate/vmx-ops.c
index 4d4a62e..abdef6e 100644
--- a/target-ppc/translate/vmx-ops.c
+++ b/target-ppc/translate/vmx-ops.c
@@ -69,9 +69,9 @@ GEN_VXFORM(vminsb, 1, 12),
GEN_VXFORM(vminsh, 1, 13),
GEN_VXFORM(vminsw, 1, 14),
GEN_VXFORM_207(vminsd, 1, 15),
-GEN_VXFORM(vavgub, 1, 16),
-GEN_VXFORM(vavguh, 1, 17),
-GEN_VXFORM(vavguw, 1, 18),
+GEN_VXFORM_DUAL(vavgub, vabsdub, 1, 16, PPC_ALTIVEC, PPC_NONE),
+GEN_VXFORM_DUAL(vavguh, vabsduh, 1, 17, PPC_ALTIVEC, PPC_NONE),
+GEN_VXFORM_DUAL(vavguw, vabsduw, 1, 18, PPC_ALTIVEC, PPC_NONE),
GEN_VXFORM(vavgsb, 1, 20),
GEN_VXFORM(vavgsh, 1, 21),
GEN_VXFORM(vavgsw, 1, 22),
--
2.7.4
