diff options
| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2016-09-28 11:15:17 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-10-05 11:05:28 +1100 |
| commit | 0fa59364348e9cb52c48b0d83a1ceaed840854aa (patch) | |
| tree | cf1df10122bf4261ac9e7e233e0e78e1fd78b0bc /target-ppc/int_helper.c | |
| parent | 4aaefd93b9a7f5fdef83a757702b228d2144112a (diff) | |
| download | qemu-0fa59364348e9cb52c48b0d83a1ceaed840854aa.zip | |
target-ppc: add vector compare not equal instructions
The following vector compare not equal instructions are added from ISA 3.0.
vcmpneb - Vector Compare Not Equal Byte
vcmpneh - Vector Compare Not Equal Halfword
vcmpnew - Vector Compare Not Equal Word
Signed-off-by: Rajalakshmi Srinivasaraghavan <raji@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 | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 51a9ac5182..77d6bced89 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -735,20 +735,24 @@ VCMP(gtsd, >, s64) #undef VCMP_DO #undef VCMP -#define VCMPNEZ_DO(suffix, element, etype, record) \ -void helper_vcmpnez##suffix(CPUPPCState *env, ppc_avr_t *r, \ +#define VCMPNE_DO(suffix, element, etype, cmpzero, record) \ +void helper_vcmpne##suffix(CPUPPCState *env, ppc_avr_t *r, \ ppc_avr_t *a, ppc_avr_t *b) \ { \ etype ones = (etype)-1; \ etype all = ones; \ - etype none = 0; \ + etype result, none = 0; \ int i; \ \ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - etype result = ((a->element[i] == 0) \ + if (cmpzero) { \ + result = ((a->element[i] == 0) \ || (b->element[i] == 0) \ || (a->element[i] != b->element[i]) ? \ ones : 0x0); \ + } else { \ + result = (a->element[i] != b->element[i]) ? ones : 0x0; \ + } \ r->element[i] = result; \ all &= result; \ none |= result; \ @@ -762,14 +766,17 @@ void helper_vcmpnez##suffix(CPUPPCState *env, ppc_avr_t *r, \ * suffix - instruction mnemonic suffix (b: byte, h: halfword, w: word) * element - element type to access from vector */ -#define VCMPNEZ(suffix, element, etype) \ - VCMPNEZ_DO(suffix, element, etype, 0) \ - VCMPNEZ_DO(suffix##_dot, element, etype, 1) -VCMPNEZ(b, u8, uint8_t) -VCMPNEZ(h, u16, uint16_t) -VCMPNEZ(w, u32, uint32_t) -#undef VCMPNEZ_DO -#undef VCMPNEZ +#define VCMPNE(suffix, element, etype, cmpzero) \ + VCMPNE_DO(suffix, element, etype, cmpzero, 0) \ + VCMPNE_DO(suffix##_dot, element, etype, cmpzero, 1) +VCMPNE(zb, u8, uint8_t, 1) +VCMPNE(zh, u16, uint16_t, 1) +VCMPNE(zw, u32, uint32_t, 1) +VCMPNE(b, u8, uint8_t, 0) +VCMPNE(h, u16, uint16_t, 0) +VCMPNE(w, u32, uint32_t, 0) +#undef VCMPNE_DO +#undef VCMPNE #define VCMPFP_DO(suffix, compare, order, record) \ void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |