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| author | Sandipan Das <sandipandas1990@gmail.com> | 2016-07-28 23:44:14 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-09-07 12:40:11 +1000 |
| commit | 377070595a5865a7db6fa671a1e84f149d80809a (patch) | |
| tree | 2cf29ac30ee7a25b8b454752f28860089433852a /target-ppc/int_helper.c | |
| parent | 217f6b88058fa5509ff721741862e26db071929a (diff) | |
| download | qemu-377070595a5865a7db6fa671a1e84f149d80809a.zip qemu-377070595a5865a7db6fa671a1e84f149d80809a.tar.gz qemu-377070595a5865a7db6fa671a1e84f149d80809a.tar.bz2 | |
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>
Diffstat (limited to 'target-ppc/int_helper.c')
| -rw-r--r-- | target-ppc/int_helper.c | 24 |
1 files changed, 24 insertions, 0 deletions
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) \ |