Commit d1258698f5c295a2c34258ea6bcf406794ff6e95
1 parent
b04ae981
Add vsel and vperm 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@6180 c046a42c-6fe2-441c-8c8c-71466251a162
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target-ppc/helper.h
| ... | ... | @@ -167,6 +167,8 @@ DEF_HELPER_2(vupklsb, void, avr, avr) |
| 167 | 167 | DEF_HELPER_2(vupklsh, void, avr, avr) |
| 168 | 168 | DEF_HELPER_4(vmsumubm, void, avr, avr, avr, avr) |
| 169 | 169 | DEF_HELPER_4(vmsummbm, void, avr, avr, avr, avr) |
| 170 | +DEF_HELPER_4(vsel, void, avr, avr, avr, avr) | |
| 171 | +DEF_HELPER_4(vperm, void, avr, avr, avr, avr) | |
| 170 | 172 | |
| 171 | 173 | DEF_HELPER_1(efscfsi, i32, i32) |
| 172 | 174 | DEF_HELPER_1(efscfui, i32, i32) | ... | ... |
target-ppc/op_helper.c
| ... | ... | @@ -2143,6 +2143,26 @@ VMUL(uh, u16, u32) |
| 2143 | 2143 | #undef VMUL_DO |
| 2144 | 2144 | #undef VMUL |
| 2145 | 2145 | |
| 2146 | +void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
| 2147 | +{ | |
| 2148 | + ppc_avr_t result; | |
| 2149 | + int i; | |
| 2150 | + VECTOR_FOR_INORDER_I (i, u8) { | |
| 2151 | + int s = c->u8[i] & 0x1f; | |
| 2152 | +#if defined(WORDS_BIGENDIAN) | |
| 2153 | + int index = s & 0xf; | |
| 2154 | +#else | |
| 2155 | + int index = 15 - (s & 0xf); | |
| 2156 | +#endif | |
| 2157 | + if (s & 0x10) { | |
| 2158 | + result.u8[i] = b->u8[index]; | |
| 2159 | + } else { | |
| 2160 | + result.u8[i] = a->u8[index]; | |
| 2161 | + } | |
| 2162 | + } | |
| 2163 | + *r = result; | |
| 2164 | +} | |
| 2165 | + | |
| 2146 | 2166 | #define VROTATE(suffix, element) \ |
| 2147 | 2167 | void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 2148 | 2168 | { \ |
| ... | ... | @@ -2158,6 +2178,12 @@ VROTATE(h, u16) |
| 2158 | 2178 | VROTATE(w, u32) |
| 2159 | 2179 | #undef VROTATE |
| 2160 | 2180 | |
| 2181 | +void helper_vsel (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
| 2182 | +{ | |
| 2183 | + r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]); | |
| 2184 | + r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]); | |
| 2185 | +} | |
| 2186 | + | |
| 2161 | 2187 | #define VSL(suffix, element) \ |
| 2162 | 2188 | void helper_vsl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 2163 | 2189 | { \ | ... | ... |
target-ppc/translate.c