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Add vupk{h,l}px 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@6176 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-04 22:11:10 +00:00
parent de5f248499
commit 79f85c3ae9
3 changed files with 34 additions and 0 deletions
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2
target-ppc/helper.h
View File

@ -159,6 +159,8 @@ DEF_HELPER_4(vsldoi, void, avr, avr, avr, i32)
DEF_HELPER_3(vspltb, void, avr, avr, i32)
DEF_HELPER_3(vsplth, void, avr, avr, i32)
DEF_HELPER_3(vspltw, void, avr, avr, i32)
DEF_HELPER_2(vupkhpx, void, avr, avr)
DEF_HELPER_2(vupklpx, void, avr, avr)
DEF_HELPER_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)

29
target-ppc/op_helper.c
View File

@ -2248,6 +2248,35 @@ void helper_vsubcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
}
}
#if defined(WORDS_BIGENDIAN)
#define UPKHI 1
#define UPKLO 0
#else
#define UPKHI 0
#define UPKLO 1
#endif
#define VUPKPX(suffix, hi) \
void helper_vupk##suffix (ppc_avr_t *r, ppc_avr_t *b) \
{ \
int i; \
ppc_avr_t result; \
for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \
uint16_t e = b->u16[hi ? i : i+4]; \
uint8_t a = (e >> 15) ? 0xff : 0; \
uint8_t r = (e >> 10) & 0x1f; \
uint8_t g = (e >> 5) & 0x1f; \
uint8_t b = e & 0x1f; \
result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \
} \
*r = result; \
}
VUPKPX(lpx, UPKLO)
VUPKPX(hpx, UPKHI)
#undef VUPKPX
#undef UPKHI
#undef UPKLO
#undef VECTOR_FOR_INORDER_I
#undef HI_IDX
#undef LO_IDX

3
target-ppc/translate.c
View File

@ -6289,6 +6289,9 @@ GEN_VXFORM(vrlw, 2, 2);
tcg_temp_free_ptr(rd); \
}
GEN_VXFORM_NOA(vupkhpx, 7, 13);
GEN_VXFORM_NOA(vupklpx, 7, 15);
#define GEN_VXFORM_SIMM(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) \
{ \