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-rw-r--r--arch/powerpc/include/asm/sfp-machine.h92
1 files changed, 29 insertions, 63 deletions
diff --git a/arch/powerpc/include/asm/sfp-machine.h b/arch/powerpc/include/asm/sfp-machine.h
index d89beaba26ff..8b957aabb826 100644
--- a/arch/powerpc/include/asm/sfp-machine.h
+++ b/arch/powerpc/include/asm/sfp-machine.h
@@ -213,30 +213,18 @@
213 * respectively. The result is placed in HIGH_SUM and LOW_SUM. Overflow 213 * respectively. The result is placed in HIGH_SUM and LOW_SUM. Overflow
214 * (i.e. carry out) is not stored anywhere, and is lost. 214 * (i.e. carry out) is not stored anywhere, and is lost.
215 */ 215 */
216#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ 216#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
217 do { \ 217 do { \
218 if (__builtin_constant_p (bh) && (bh) == 0) \ 218 if (__builtin_constant_p (bh) && (bh) == 0) \
219 __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \ 219 __asm__ ("add%I4c %1,%3,%4\n\taddze %0,%2" \
220 : "=r" ((USItype)(sh)), \ 220 : "=r" (sh), "=&r" (sl) : "r" (ah), "%r" (al), "rI" (bl));\
221 "=&r" ((USItype)(sl)) \ 221 else if (__builtin_constant_p (bh) && (bh) == ~(USItype) 0) \
222 : "%r" ((USItype)(ah)), \ 222 __asm__ ("add%I4c %1,%3,%4\n\taddme %0,%2" \
223 "%r" ((USItype)(al)), \ 223 : "=r" (sh), "=&r" (sl) : "r" (ah), "%r" (al), "rI" (bl));\
224 "rI" ((USItype)(bl))); \
225 else if (__builtin_constant_p (bh) && (bh) ==~(USItype) 0) \
226 __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \
227 : "=r" ((USItype)(sh)), \
228 "=&r" ((USItype)(sl)) \
229 : "%r" ((USItype)(ah)), \
230 "%r" ((USItype)(al)), \
231 "rI" ((USItype)(bl))); \
232 else \ 224 else \
233 __asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \ 225 __asm__ ("add%I5c %1,%4,%5\n\tadde %0,%2,%3" \
234 : "=r" ((USItype)(sh)), \ 226 : "=r" (sh), "=&r" (sl) \
235 "=&r" ((USItype)(sl)) \ 227 : "%r" (ah), "r" (bh), "%r" (al), "rI" (bl)); \
236 : "%r" ((USItype)(ah)), \
237 "r" ((USItype)(bh)), \
238 "%r" ((USItype)(al)), \
239 "rI" ((USItype)(bl))); \
240 } while (0) 228 } while (0)
241 229
242/* sub_ddmmss is used in op-2.h and udivmodti4.c and should be equivalent to 230/* sub_ddmmss is used in op-2.h and udivmodti4.c and should be equivalent to
@@ -248,44 +236,24 @@
248 * and LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere, 236 * and LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere,
249 * and is lost. 237 * and is lost.
250 */ 238 */
251#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ 239#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
252 do { \ 240 do { \
253 if (__builtin_constant_p (ah) && (ah) == 0) \ 241 if (__builtin_constant_p (ah) && (ah) == 0) \
254 __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \ 242 __asm__ ("subf%I3c %1,%4,%3\n\tsubfze %0,%2" \
255 : "=r" ((USItype)(sh)), \ 243 : "=r" (sh), "=&r" (sl) : "r" (bh), "rI" (al), "r" (bl));\
256 "=&r" ((USItype)(sl)) \ 244 else if (__builtin_constant_p (ah) && (ah) == ~(USItype) 0) \
257 : "r" ((USItype)(bh)), \ 245 __asm__ ("subf%I3c %1,%4,%3\n\tsubfme %0,%2" \
258 "rI" ((USItype)(al)), \ 246 : "=r" (sh), "=&r" (sl) : "r" (bh), "rI" (al), "r" (bl));\
259 "r" ((USItype)(bl))); \
260 else if (__builtin_constant_p (ah) && (ah) ==~(USItype) 0) \
261 __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \
262 : "=r" ((USItype)(sh)), \
263 "=&r" ((USItype)(sl)) \
264 : "r" ((USItype)(bh)), \
265 "rI" ((USItype)(al)), \
266 "r" ((USItype)(bl))); \
267 else if (__builtin_constant_p (bh) && (bh) == 0) \ 247 else if (__builtin_constant_p (bh) && (bh) == 0) \
268 __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \ 248 __asm__ ("subf%I3c %1,%4,%3\n\taddme %0,%2" \
269 : "=r" ((USItype)(sh)), \ 249 : "=r" (sh), "=&r" (sl) : "r" (ah), "rI" (al), "r" (bl));\
270 "=&r" ((USItype)(sl)) \ 250 else if (__builtin_constant_p (bh) && (bh) == ~(USItype) 0) \
271 : "r" ((USItype)(ah)), \ 251 __asm__ ("subf%I3c %1,%4,%3\n\taddze %0,%2" \
272 "rI" ((USItype)(al)), \ 252 : "=r" (sh), "=&r" (sl) : "r" (ah), "rI" (al), "r" (bl));\
273 "r" ((USItype)(bl))); \
274 else if (__builtin_constant_p (bh) && (bh) ==~(USItype) 0) \
275 __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \
276 : "=r" ((USItype)(sh)), \
277 "=&r" ((USItype)(sl)) \
278 : "r" ((USItype)(ah)), \
279 "rI" ((USItype)(al)), \
280 "r" ((USItype)(bl))); \
281 else \ 253 else \
282 __asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \ 254 __asm__ ("subf%I4c %1,%5,%4\n\tsubfe %0,%3,%2" \
283 : "=r" ((USItype)(sh)), \ 255 : "=r" (sh), "=&r" (sl) \
284 "=&r" ((USItype)(sl)) \ 256 : "r" (ah), "r" (bh), "rI" (al), "r" (bl)); \
285 : "r" ((USItype)(ah)), \
286 "r" ((USItype)(bh)), \
287 "rI" ((USItype)(al)), \
288 "r" ((USItype)(bl))); \
289 } while (0) 257 } while (0)
290 258
291/* asm fragments for mul and div */ 259/* asm fragments for mul and div */
@@ -294,13 +262,10 @@
294 * UWtype integers MULTIPLER and MULTIPLICAND, and generates a two UWtype 262 * UWtype integers MULTIPLER and MULTIPLICAND, and generates a two UWtype
295 * word product in HIGH_PROD and LOW_PROD. 263 * word product in HIGH_PROD and LOW_PROD.
296 */ 264 */
297#define umul_ppmm(ph, pl, m0, m1) \ 265#define umul_ppmm(ph, pl, m0, m1) \
298 do { \ 266 do { \
299 USItype __m0 = (m0), __m1 = (m1); \ 267 USItype __m0 = (m0), __m1 = (m1); \
300 __asm__ ("mulhwu %0,%1,%2" \ 268 __asm__ ("mulhwu %0,%1,%2" : "=r" (ph) : "%r" (m0), "r" (m1)); \
301 : "=r" ((USItype)(ph)) \
302 : "%r" (__m0), \
303 "r" (__m1)); \
304 (pl) = __m0 * __m1; \ 269 (pl) = __m0 * __m1; \
305 } while (0) 270 } while (0)
306 271
@@ -312,9 +277,10 @@
312 * significant bit of DENOMINATOR must be 1, then the pre-processor symbol 277 * significant bit of DENOMINATOR must be 1, then the pre-processor symbol
313 * UDIV_NEEDS_NORMALIZATION is defined to 1. 278 * UDIV_NEEDS_NORMALIZATION is defined to 1.
314 */ 279 */
315#define udiv_qrnnd(q, r, n1, n0, d) \ 280#define udiv_qrnnd(q, r, n1, n0, d) \
316 do { \ 281 do { \
317 UWtype __d1, __d0, __q1, __q0, __r1, __r0, __m; \ 282 UWtype __d1, __d0, __q1, __q0; \
283 UWtype __r1, __r0, __m; \
318 __d1 = __ll_highpart (d); \ 284 __d1 = __ll_highpart (d); \
319 __d0 = __ll_lowpart (d); \ 285 __d0 = __ll_lowpart (d); \
320 \ 286 \
@@ -325,7 +291,7 @@
325 if (__r1 < __m) \ 291 if (__r1 < __m) \
326 { \ 292 { \
327 __q1--, __r1 += (d); \ 293 __q1--, __r1 += (d); \
328 if (__r1 >= (d)) /* we didn't get carry when adding to __r1 */ \ 294 if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\
329 if (__r1 < __m) \ 295 if (__r1 < __m) \
330 __q1--, __r1 += (d); \ 296 __q1--, __r1 += (d); \
331 } \ 297 } \
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-01 07:47:35 -0400