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

Adds following instructions:

vcmpnezb[.]: Vector Compare Not Equal or Zero Byte
vcmpnezh[.]: Vector Compare Not Equal or Zero Halfword
vcmpnezw[.]: Vector Compare Not Equal or Zero Word

Signed-off-by: Swapnil Bokade <bokadeswapnil@gmail.com>
[ collapse switch case ]
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:
Swapnil Bokade 2016-07-28 23:44:15 +05:30 committed by David Gibson
parent 377070595a
commit f7cc8466f1
4 changed files with 54 additions and 0 deletions
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6
target-ppc/helper.h
View File

@ -144,6 +144,9 @@ DEF_HELPER_4(vcmpequb, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpequh, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpequw, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpequd, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpnezb, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpnezh, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpnezw, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpgtub, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpgtuh, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpgtuw, void, env, avr, avr, avr)
@ -160,6 +163,9 @@ DEF_HELPER_4(vcmpequb_dot, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpequh_dot, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpequw_dot, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpequd_dot, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpnezb_dot, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpnezh_dot, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpnezw_dot, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpgtub_dot, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpgtuh_dot, void, env, avr, avr, avr)
DEF_HELPER_4(vcmpgtuw_dot, void, env, avr, avr, avr)

36
target-ppc/int_helper.c
View File

@ -719,6 +719,42 @@ 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, \
ppc_avr_t *a, ppc_avr_t *b) \
{ \
etype ones = (etype)-1; \
etype all = ones; \
etype none = 0; \
int i; \
\
for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
etype result = ((a->element[i] == 0) \
|| (b->element[i] == 0) \
|| (a->element[i] != b->element[i]) ? \
ones : 0x0); \
r->element[i] = result; \
all &= result; \
none |= result; \
} \
if (record) { \
env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
} \
}
/* VCMPNEZ - Vector compare not equal to zero
* 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 VCMPFP_DO(suffix, compare, order, record) \
void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \
ppc_avr_t *a, ppc_avr_t *b) \

3
target-ppc/translate/vmx-impl.c
View File

@ -493,6 +493,9 @@ GEN_VXRFORM(vcmpequb, 3, 0)
GEN_VXRFORM(vcmpequh, 3, 1)
GEN_VXRFORM(vcmpequw, 3, 2)
GEN_VXRFORM(vcmpequd, 3, 3)
GEN_VXRFORM(vcmpnezb, 3, 4)
GEN_VXRFORM(vcmpnezh, 3, 5)
GEN_VXRFORM(vcmpnezw, 3, 6)
GEN_VXRFORM(vcmpgtsb, 3, 12)
GEN_VXRFORM(vcmpgtsh, 3, 13)
GEN_VXRFORM(vcmpgtsw, 3, 14)

9
target-ppc/translate/vmx-ops.c
View File

@ -160,12 +160,21 @@ GEN_VXFORM(vminfp, 5, 17),
#define GEN_VXRFORM1(opname, name, str, opc2, opc3) \
GEN_HANDLER2(name, str, 0x4, opc2, opc3, 0x00000000, PPC_ALTIVEC),
#define GEN_VXRFORM1_300(opname, name, str, opc2, opc3) \
GEN_HANDLER2_E(name, str, 0x4, opc2, opc3, 0x00000000, PPC_NONE, PPC2_ISA300),
#define GEN_VXRFORM(name, opc2, opc3) \
GEN_VXRFORM1(name, name, #name, opc2, opc3) \
GEN_VXRFORM1(name##_dot, name##_, #name ".", opc2, (opc3 | (0x1 << 4)))
#define GEN_VXRFORM_300(name, opc2, opc3) \
GEN_VXRFORM1_300(name, name, #name, opc2, opc3) \
GEN_VXRFORM1_300(name##_dot, name##_, #name ".", opc2, (opc3 | (0x1 << 4)))
GEN_VXRFORM(vcmpequb, 3, 0)
GEN_VXRFORM(vcmpequh, 3, 1)
GEN_VXRFORM(vcmpequw, 3, 2)
GEN_VXRFORM_300(vcmpnezb, 3, 4)
GEN_VXRFORM_300(vcmpnezh, 3, 5)
GEN_VXRFORM_300(vcmpnezw, 3, 6)
GEN_VXRFORM(vcmpgtsb, 3, 12)
GEN_VXRFORM(vcmpgtsh, 3, 13)
GEN_VXRFORM(vcmpgtsw, 3, 14)