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Add vpks{h, w}{s, u}s, vpku{h, w}us, and vpku{h, w}um instructions. 

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@6182 c046a42c-6fe2-441c-8c8c-71466251a162
stable-0.10
aurel32 18 years ago
parent
00d3b8f59b
commit
5335a145a1
3 changed files with 51 additions and 0 deletions
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  1. 8
      target-ppc/helper.h
  2. 35
      target-ppc/op_helper.c
  3. 8
      target-ppc/translate.c

8
target-ppc/helper.h
View File

@ -169,6 +169,14 @@ DEF_HELPER_4(vmsumubm, void, avr, avr, avr, avr)
DEF_HELPER_4(vmsummbm, void, avr, avr, avr, avr)
DEF_HELPER_4(vsel, void, avr, avr, avr, avr)
DEF_HELPER_4(vperm, void, avr, avr, avr, avr)
DEF_HELPER_3(vpkshss, void, avr, avr, avr)
DEF_HELPER_3(vpkshus, void, avr, avr, avr)
DEF_HELPER_3(vpkswss, void, avr, avr, avr)
DEF_HELPER_3(vpkswus, void, avr, avr, avr)
DEF_HELPER_3(vpkuhus, void, avr, avr, avr)
DEF_HELPER_3(vpkuwus, void, avr, avr, avr)
DEF_HELPER_3(vpkuhum, void, avr, avr, avr)
DEF_HELPER_3(vpkuwum, void, avr, avr, avr)
DEF_HELPER_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)

35
target-ppc/op_helper.c
View File

@ -2190,6 +2190,41 @@ void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
*r = result;
}
#if defined(WORDS_BIGENDIAN)
#define PKBIG 1
#else
#define PKBIG 0
#endif
#define VPK(suffix, from, to, cvt, dosat) \
void helper_vpk##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
int i; \
int sat = 0; \
ppc_avr_t result; \
ppc_avr_t *a0 = PKBIG ? a : b; \
ppc_avr_t *a1 = PKBIG ? b : a; \
VECTOR_FOR_INORDER_I (i, from) { \
result.to[i] = cvt(a0->from[i], &sat); \
result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat); \
} \
*r = result; \
if (dosat && sat) { \
env->vscr |= (1 << VSCR_SAT); \
} \
}
#define I(x, y) (x)
VPK(shss, s16, s8, cvtshsb, 1)
VPK(shus, s16, u8, cvtshub, 1)
VPK(swss, s32, s16, cvtswsh, 1)
VPK(swus, s32, u16, cvtswuh, 1)
VPK(uhus, u16, u8, cvtuhub, 1)
VPK(uwus, u32, u16, cvtuwuh, 1)
VPK(uhum, u16, u8, I, 0)
VPK(uwum, u32, u16, I, 0)
#undef I
#undef VPK
#undef PKBIG
#define VROTATE(suffix, element) \
void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \

8
target-ppc/translate.c
View File

@ -6273,6 +6273,14 @@ GEN_VXFORM(vsubcuw, 0, 22);
GEN_VXFORM(vrlb, 2, 0);
GEN_VXFORM(vrlh, 2, 1);
GEN_VXFORM(vrlw, 2, 2);
GEN_VXFORM(vpkuhum, 7, 0);
GEN_VXFORM(vpkuwum, 7, 1);
GEN_VXFORM(vpkuhus, 7, 2);
GEN_VXFORM(vpkuwus, 7, 3);
GEN_VXFORM(vpkshus, 7, 4);
GEN_VXFORM(vpkswus, 7, 5);
GEN_VXFORM(vpkshss, 7, 6);
GEN_VXFORM(vpkswss, 7, 7);
#define GEN_VXFORM_NOA(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC) \

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