gwj / at91sam9263 · Commits

Commit 819ca12127ee43c722f9946c8493a0aa2a1de6a0

Authored by aurel32
1 parent 35cf7c7e

target-ppc: Add vcmp{eq, ge, gt, b}fp{, .} 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@6571 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 3 changed files with 80 additions and 0 deletions
target-ppc/helper.h
  View file @819ca12
... ... @@ -132,6 +132,10 @@ DEF_HELPER_3(vcmpgtuw, void, avr, avr, avr)
132 132 DEF_HELPER_3(vcmpgtsb, void, avr, avr, avr)
133 133 DEF_HELPER_3(vcmpgtsh, void, avr, avr, avr)
134 134 DEF_HELPER_3(vcmpgtsw, void, avr, avr, avr)
  135 +DEF_HELPER_3(vcmpeqfp, void, avr, avr, avr)
  136 +DEF_HELPER_3(vcmpgefp, void, avr, avr, avr)
  137 +DEF_HELPER_3(vcmpgtfp, void, avr, avr, avr)
  138 +DEF_HELPER_3(vcmpbfp, void, avr, avr, avr)
135 139 DEF_HELPER_3(vcmpequb_dot, void, avr, avr, avr)
136 140 DEF_HELPER_3(vcmpequh_dot, void, avr, avr, avr)
137 141 DEF_HELPER_3(vcmpequw_dot, void, avr, avr, avr)
... ... @@ -141,6 +145,10 @@ DEF_HELPER_3(vcmpgtuw_dot, void, avr, avr, avr)
141 145 DEF_HELPER_3(vcmpgtsb_dot, void, avr, avr, avr)
142 146 DEF_HELPER_3(vcmpgtsh_dot, void, avr, avr, avr)
143 147 DEF_HELPER_3(vcmpgtsw_dot, void, avr, avr, avr)
  148 +DEF_HELPER_3(vcmpeqfp_dot, void, avr, avr, avr)
  149 +DEF_HELPER_3(vcmpgefp_dot, void, avr, avr, avr)
  150 +DEF_HELPER_3(vcmpgtfp_dot, void, avr, avr, avr)
  151 +DEF_HELPER_3(vcmpbfp_dot, void, avr, avr, avr)
144 152 DEF_HELPER_3(vmrglb, void, avr, avr, avr)
145 153 DEF_HELPER_3(vmrglh, void, avr, avr, avr)
146 154 DEF_HELPER_3(vmrglw, void, avr, avr, avr)
... ...
target-ppc/op_helper.c
  View file @819ca12
... ... @@ -2220,6 +2220,74 @@ VCMP(gtsw, &gt;, s32)
2220 2220 #undef VCMP_DO
2221 2221 #undef VCMP
2222 2222  
  2223 +#define VCMPFP_DO(suffix, compare, order, record) \
  2224 + void helper_vcmp##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
  2225 + { \
  2226 + uint32_t ones = (uint32_t)-1; \
  2227 + uint32_t all = ones; \
  2228 + uint32_t none = 0; \
  2229 + int i; \
  2230 + for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
  2231 + uint32_t result; \
  2232 + int rel = float32_compare_quiet(a->f[i], b->f[i], &env->vec_status); \
  2233 + if (rel == float_relation_unordered) { \
  2234 + result = 0; \
  2235 + } else if (rel compare order) { \
  2236 + result = ones; \
  2237 + } else { \
  2238 + result = 0; \
  2239 + } \
  2240 + r->u32[i] = result; \
  2241 + all &= result; \
  2242 + none |= result; \
  2243 + } \
  2244 + if (record) { \
  2245 + env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
  2246 + } \
  2247 + }
  2248 +#define VCMPFP(suffix, compare, order) \
  2249 + VCMPFP_DO(suffix, compare, order, 0) \
  2250 + VCMPFP_DO(suffix##_dot, compare, order, 1)
  2251 +VCMPFP(eqfp, ==, float_relation_equal)
  2252 +VCMPFP(gefp, !=, float_relation_less)
  2253 +VCMPFP(gtfp, ==, float_relation_greater)
  2254 +#undef VCMPFP_DO
  2255 +#undef VCMPFP
  2256 +
  2257 +static always_inline void vcmpbfp_internal (ppc_avr_t *r, ppc_avr_t *a,
  2258 + ppc_avr_t *b, int record)
  2259 +{
  2260 + int i;
  2261 + int all_in = 0;
  2262 + for (i = 0; i < ARRAY_SIZE(r->f); i++) {
  2263 + int le_rel = float32_compare_quiet(a->f[i], b->f[i], &env->vec_status);
  2264 + if (le_rel == float_relation_unordered) {
  2265 + r->u32[i] = 0xc0000000;
  2266 + /* ALL_IN does not need to be updated here. */
  2267 + } else {
  2268 + float32 bneg = float32_chs(b->f[i]);
  2269 + int ge_rel = float32_compare_quiet(a->f[i], bneg, &env->vec_status);
  2270 + int le = le_rel != float_relation_greater;
  2271 + int ge = ge_rel != float_relation_less;
  2272 + r->u32[i] = ((!le) << 31) | ((!ge) << 30);
  2273 + all_in |= (!le | !ge);
  2274 + }
  2275 + }
  2276 + if (record) {
  2277 + env->crf[6] = (all_in == 0) << 1;
  2278 + }
  2279 +}
  2280 +
  2281 +void helper_vcmpbfp (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
  2282 +{
  2283 + vcmpbfp_internal(r, a, b, 0);
  2284 +}
  2285 +
  2286 +void helper_vcmpbfp_dot (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
  2287 +{
  2288 + vcmpbfp_internal(r, a, b, 1);
  2289 +}
  2290 +
2223 2291 void helper_vmaddfp (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
2224 2292 {
2225 2293 int i;
... ...
target-ppc/translate.c
  View file @819ca12
... ... @@ -6430,6 +6430,10 @@ GEN_VXRFORM(vcmpgtsw, 3, 14)
6430 6430 GEN_VXRFORM(vcmpgtub, 3, 8)
6431 6431 GEN_VXRFORM(vcmpgtuh, 3, 9)
6432 6432 GEN_VXRFORM(vcmpgtuw, 3, 10)
  6433 +GEN_VXRFORM(vcmpeqfp, 3, 3)
  6434 +GEN_VXRFORM(vcmpgefp, 3, 7)
  6435 +GEN_VXRFORM(vcmpgtfp, 3, 11)
  6436 +GEN_VXRFORM(vcmpbfp, 3, 15)
6433 6437  
6434 6438 #define GEN_VXFORM_SIMM(name, opc2, opc3) \
6435 6439 GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) \
... ...