gwj / at91sam9263 · Commits

Commit eae07261c7620231ae347878284fa36e3dc0d1c0

Authored by aurel32
1 parent 4d9903b6

Add vmsumsh{m,s} 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@6186 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 3 changed files with 37 additions and 0 deletions
target-ppc/helper.h
  View file @eae0726
... ... @@ -182,6 +182,8 @@ DEF_HELPER_4(vmhaddshs, void, avr, avr, avr, avr)
182 182 DEF_HELPER_4(vmhraddshs, void, avr, avr, avr, avr)
183 183 DEF_HELPER_4(vmsumuhm, void, avr, avr, avr, avr)
184 184 DEF_HELPER_4(vmsumuhs, void, avr, avr, avr, avr)
  185 +DEF_HELPER_4(vmsumshm, void, avr, avr, avr, avr)
  186 +DEF_HELPER_4(vmsumshs, void, avr, avr, avr, avr)
185 187  
186 188 DEF_HELPER_1(efscfsi, i32, i32)
187 189 DEF_HELPER_1(efscfui, i32, i32)
... ...
target-ppc/op_helper.c
  View file @eae0726
... ... @@ -2166,6 +2166,40 @@ void helper_vmsummbm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
2166 2166 }
2167 2167 }
2168 2168  
  2169 +void helper_vmsumshm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
  2170 +{
  2171 + int32_t prod[8];
  2172 + int i;
  2173 +
  2174 + for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
  2175 + prod[i] = a->s16[i] * b->s16[i];
  2176 + }
  2177 +
  2178 + VECTOR_FOR_INORDER_I(i, s32) {
  2179 + r->s32[i] = c->s32[i] + prod[2*i] + prod[2*i+1];
  2180 + }
  2181 +}
  2182 +
  2183 +void helper_vmsumshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
  2184 +{
  2185 + int32_t prod[8];
  2186 + int i;
  2187 + int sat = 0;
  2188 +
  2189 + for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
  2190 + prod[i] = (int32_t)a->s16[i] * b->s16[i];
  2191 + }
  2192 +
  2193 + VECTOR_FOR_INORDER_I (i, s32) {
  2194 + int64_t t = (int64_t)c->s32[i] + prod[2*i] + prod[2*i+1];
  2195 + r->u32[i] = cvtsdsw(t, &sat);
  2196 + }
  2197 +
  2198 + if (sat) {
  2199 + env->vscr |= (1 << VSCR_SAT);
  2200 + }
  2201 +}
  2202 +
2169 2203 void helper_vmsumubm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
2170 2204 {
2171 2205 uint16_t prod[16];
... ...
target-ppc/translate.c
  View file @eae0726
... ... @@ -6389,6 +6389,7 @@ GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16)
6389 6389  
6390 6390 GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
6391 6391 GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19)
  6392 +GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20)
6392 6393 GEN_VAFORM_PAIRED(vsel, vperm, 21)
6393 6394  
6394 6395 /*** SPE extension ***/
... ...