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authorRajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>2016-09-28 11:15:17 +0530
committerDavid Gibson <david@gibson.dropbear.id.au>2016-10-05 11:05:28 +1100
commit0fa59364348e9cb52c48b0d83a1ceaed840854aa (patch)
treecf1df10122bf4261ac9e7e233e0e78e1fd78b0bc /target-ppc/int_helper.c
parent4aaefd93b9a7f5fdef83a757702b228d2144112a (diff)
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.c31
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, \