haraldwolff/qemu-patch-raspberry4
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Add vcmpequ{b, h, w} and vcmpgt{s, u}{b, h, w} instructions

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Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6236 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-08 18:54:38 +00:00
parent 0cbcd90636
commit 1add6e234a
3 changed files with 64 additions and 0 deletions
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18
target-ppc/helper.h
View file

@ -123,6 +123,24 @@ DEF_HELPER_3(vminuw, void, avr, avr, avr)
DEF_HELPER_3(vmaxub, void, avr, avr, avr)
DEF_HELPER_3(vmaxuh, void, avr, avr, avr)
DEF_HELPER_3(vmaxuw, void, avr, avr, avr)
DEF_HELPER_3(vcmpequb, void, avr, avr, avr)
DEF_HELPER_3(vcmpequh, void, avr, avr, avr)
DEF_HELPER_3(vcmpequw, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtub, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtuh, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtuw, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtsb, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtsh, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtsw, void, avr, avr, avr)
DEF_HELPER_3(vcmpequb_dot, void, avr, avr, avr)
DEF_HELPER_3(vcmpequh_dot, void, avr, avr, avr)
DEF_HELPER_3(vcmpequw_dot, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtub_dot, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtuh_dot, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtuw_dot, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtsb_dot, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtsh_dot, void, avr, avr, avr)
DEF_HELPER_3(vcmpgtsw_dot, void, avr, avr, avr)
DEF_HELPER_3(vmrglb, void, avr, avr, avr)
DEF_HELPER_3(vmrglh, void, avr, avr, avr)
DEF_HELPER_3(vmrglw, void, avr, avr, avr)

36
target-ppc/op_helper.c
View file

@ -2101,6 +2101,42 @@ VAVG(w, s32, int64_t, u32, uint64_t)
#undef VAVG_DO
#undef VAVG
#define VCMP_DO(suffix, compare, element, record) \
void helper_vcmp##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
uint32_t ones = (uint32_t)-1; \
uint32_t all = ones; \
uint32_t none = 0; \
int i; \
for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
uint32_t result = (a->element[i] compare b->element[i] ? ones : 0x0); \
switch (sizeof (a->element[0])) { \
case 4: r->u32[i] = result; break; \
case 2: r->u16[i] = result; break; \
case 1: r->u8[i] = result; break; \
} \
all &= result; \
none |= result; \
} \
if (record) { \
env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
} \
}
#define VCMP(suffix, compare, element) \
VCMP_DO(suffix, compare, element, 0) \
VCMP_DO(suffix##_dot, compare, element, 1)
VCMP(equb, ==, u8)
VCMP(equh, ==, u16)
VCMP(equw, ==, u32)
VCMP(gtub, >, u8)
VCMP(gtuh, >, u16)
VCMP(gtuw, >, u32)
VCMP(gtsb, >, s8)
VCMP(gtsh, >, s16)
VCMP(gtsw, >, s32)
#undef VCMP_DO
#undef VCMP
void helper_vmhaddshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
int sat = 0;

10
target-ppc/translate.c
View file

@ -6380,6 +6380,16 @@ GEN_VXFORM(vsumsws, 4, 30);
GEN_VXRFORM1(name, name, #name, opc2, opc3) \
GEN_VXRFORM1(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(vcmpgtsb, 3, 12)
GEN_VXRFORM(vcmpgtsh, 3, 13)
GEN_VXRFORM(vcmpgtsw, 3, 14)
GEN_VXRFORM(vcmpgtub, 3, 8)
GEN_VXRFORM(vcmpgtuh, 3, 9)
GEN_VXRFORM(vcmpgtuw, 3, 10)
#define GEN_VXFORM_NOA(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC) \
{ \