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target-ppc: add vabsdu[b,h,w] instructions 

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 <sandipandas1990@gmail.com>
[ use ISA300 define. Drop etype ]
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Sandipan Das 2016-07-28 23:44:14 +05:30 committed by David Gibson
parent 217f6b8805
commit 377070595a
4 changed files with 39 additions and 3 deletions
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3
target-ppc/helper.h
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@ -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)

24
target-ppc/int_helper.c
View File

@ -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) \

9
target-ppc/translate/vmx-impl.c
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@ -301,8 +301,17 @@ 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);

6
target-ppc/translate/vmx-ops.c
View File

@ -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),