Commit a0d7d5a776ff4f5cbc00d3d9bb43925e1acbefa1

Authored by aurel32
1 parent a7859e89

target-ppc: convert FPU load/store to TCG

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5786 c046a42c-6fe2-441c-8c8c-71466251a162
target-ppc/helper.h
... ... @@ -35,6 +35,8 @@ DEF_HELPER_0(reset_fpstatus, void)
35 35 DEF_HELPER_2(compute_fprf, i32, i64, i32)
36 36 DEF_HELPER_2(store_fpscr, void, i64, i32)
37 37 DEF_HELPER_1(fpscr_setbit, void, i32)
  38 +DEF_HELPER_1(float64_to_float32, i32, i64)
  39 +DEF_HELPER_1(float32_to_float64, i64, i32)
38 40  
39 41 DEF_HELPER_1(fctiw, i64, i64)
40 42 DEF_HELPER_1(fctiwz, i64, i64)
... ...
target-ppc/op_helper.c
... ... @@ -237,6 +237,24 @@ target_ulong helper_popcntb_64 (target_ulong val)
237 237  
238 238 /*****************************************************************************/
239 239 /* Floating point operations helpers */
  240 +uint64_t helper_float32_to_float64(uint32_t arg)
  241 +{
  242 + CPU_FloatU f;
  243 + CPU_DoubleU d;
  244 + f.l = arg;
  245 + d.d = float32_to_float64(f.f, &env->fp_status);
  246 + return d.ll;
  247 +}
  248 +
  249 +uint32_t helper_float64_to_float32(uint64_t arg)
  250 +{
  251 + CPU_FloatU f;
  252 + CPU_DoubleU d;
  253 + d.ll = arg;
  254 + f.f = float64_to_float32(d.d, &env->fp_status);
  255 + return f.l;
  256 +}
  257 +
240 258 static always_inline int fpisneg (float64 d)
241 259 {
242 260 CPU_DoubleU u;
... ...
target-ppc/op_mem.h
... ... @@ -145,139 +145,6 @@ void OPPROTO glue(op_stsw_64, MEMSUFFIX) (void)
145 145 }
146 146 #endif
147 147  
148   -/*** Floating-point store ***/
149   -#define PPC_STF_OP(name, op) \
150   -void OPPROTO glue(glue(op_st, name), MEMSUFFIX) (void) \
151   -{ \
152   - glue(op, MEMSUFFIX)((uint32_t)T0, FT0); \
153   - RETURN(); \
154   -}
155   -
156   -#if defined(TARGET_PPC64)
157   -#define PPC_STF_OP_64(name, op) \
158   -void OPPROTO glue(glue(glue(op_st, name), _64), MEMSUFFIX) (void) \
159   -{ \
160   - glue(op, MEMSUFFIX)((uint64_t)T0, FT0); \
161   - RETURN(); \
162   -}
163   -#endif
164   -
165   -static always_inline void glue(stfs, MEMSUFFIX) (target_ulong EA, float64 d)
166   -{
167   - glue(stfl, MEMSUFFIX)(EA, float64_to_float32(d, &env->fp_status));
168   -}
169   -
170   -static always_inline void glue(stfiw, MEMSUFFIX) (target_ulong EA, float64 d)
171   -{
172   - CPU_DoubleU u;
173   -
174   - /* Store the low order 32 bits without any conversion */
175   - u.d = d;
176   - glue(st32, MEMSUFFIX)(EA, u.l.lower);
177   -}
178   -
179   -PPC_STF_OP(fd, stfq);
180   -PPC_STF_OP(fs, stfs);
181   -PPC_STF_OP(fiw, stfiw);
182   -#if defined(TARGET_PPC64)
183   -PPC_STF_OP_64(fd, stfq);
184   -PPC_STF_OP_64(fs, stfs);
185   -PPC_STF_OP_64(fiw, stfiw);
186   -#endif
187   -
188   -static always_inline void glue(stfqr, MEMSUFFIX) (target_ulong EA, float64 d)
189   -{
190   - CPU_DoubleU u;
191   -
192   - u.d = d;
193   - u.ll = bswap64(u.ll);
194   - glue(stfq, MEMSUFFIX)(EA, u.d);
195   -}
196   -
197   -static always_inline void glue(stfsr, MEMSUFFIX) (target_ulong EA, float64 d)
198   -{
199   - CPU_FloatU u;
200   -
201   - u.f = float64_to_float32(d, &env->fp_status);
202   - u.l = bswap32(u.l);
203   - glue(stfl, MEMSUFFIX)(EA, u.f);
204   -}
205   -
206   -static always_inline void glue(stfiwr, MEMSUFFIX) (target_ulong EA, float64 d)
207   -{
208   - CPU_DoubleU u;
209   -
210   - /* Store the low order 32 bits without any conversion */
211   - u.d = d;
212   - u.l.lower = bswap32(u.l.lower);
213   - glue(st32, MEMSUFFIX)(EA, u.l.lower);
214   -}
215   -
216   -PPC_STF_OP(fd_le, stfqr);
217   -PPC_STF_OP(fs_le, stfsr);
218   -PPC_STF_OP(fiw_le, stfiwr);
219   -#if defined(TARGET_PPC64)
220   -PPC_STF_OP_64(fd_le, stfqr);
221   -PPC_STF_OP_64(fs_le, stfsr);
222   -PPC_STF_OP_64(fiw_le, stfiwr);
223   -#endif
224   -
225   -/*** Floating-point load ***/
226   -#define PPC_LDF_OP(name, op) \
227   -void OPPROTO glue(glue(op_l, name), MEMSUFFIX) (void) \
228   -{ \
229   - FT0 = glue(op, MEMSUFFIX)((uint32_t)T0); \
230   - RETURN(); \
231   -}
232   -
233   -#if defined(TARGET_PPC64)
234   -#define PPC_LDF_OP_64(name, op) \
235   -void OPPROTO glue(glue(glue(op_l, name), _64), MEMSUFFIX) (void) \
236   -{ \
237   - FT0 = glue(op, MEMSUFFIX)((uint64_t)T0); \
238   - RETURN(); \
239   -}
240   -#endif
241   -
242   -static always_inline float64 glue(ldfs, MEMSUFFIX) (target_ulong EA)
243   -{
244   - return float32_to_float64(glue(ldfl, MEMSUFFIX)(EA), &env->fp_status);
245   -}
246   -
247   -PPC_LDF_OP(fd, ldfq);
248   -PPC_LDF_OP(fs, ldfs);
249   -#if defined(TARGET_PPC64)
250   -PPC_LDF_OP_64(fd, ldfq);
251   -PPC_LDF_OP_64(fs, ldfs);
252   -#endif
253   -
254   -static always_inline float64 glue(ldfqr, MEMSUFFIX) (target_ulong EA)
255   -{
256   - CPU_DoubleU u;
257   -
258   - u.d = glue(ldfq, MEMSUFFIX)(EA);
259   - u.ll = bswap64(u.ll);
260   -
261   - return u.d;
262   -}
263   -
264   -static always_inline float64 glue(ldfsr, MEMSUFFIX) (target_ulong EA)
265   -{
266   - CPU_FloatU u;
267   -
268   - u.f = glue(ldfl, MEMSUFFIX)(EA);
269   - u.l = bswap32(u.l);
270   -
271   - return float32_to_float64(u.f, &env->fp_status);
272   -}
273   -
274   -PPC_LDF_OP(fd_le, ldfqr);
275   -PPC_LDF_OP(fs_le, ldfsr);
276   -#if defined(TARGET_PPC64)
277   -PPC_LDF_OP_64(fd_le, ldfqr);
278   -PPC_LDF_OP_64(fs_le, ldfsr);
279   -#endif
280   -
281 148 /* Load and set reservation */
282 149 void OPPROTO glue(op_lwarx, MEMSUFFIX) (void)
283 150 {
... ...
target-ppc/translate.c
... ... @@ -2524,17 +2524,6 @@ static always_inline void gen_addr_register (TCGv EA,
2524 2524 #endif
2525 2525  
2526 2526 /*** Integer load ***/
2527   -#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])()
2528   -#define OP_LD_TABLE(width) \
2529   -static GenOpFunc *gen_op_l##width[NB_MEM_FUNCS] = { \
2530   - GEN_MEM_FUNCS(l##width), \
2531   -};
2532   -#define OP_ST_TABLE(width) \
2533   -static GenOpFunc *gen_op_st##width[NB_MEM_FUNCS] = { \
2534   - GEN_MEM_FUNCS(st##width), \
2535   -};
2536   -
2537   -
2538 2527 #if defined(TARGET_PPC64)
2539 2528 #define GEN_QEMU_LD_PPC64(width) \
2540 2529 static always_inline void gen_qemu_ld##width##_ppc64(TCGv t0, TCGv t1, int flags)\
... ... @@ -2700,10 +2689,10 @@ static always_inline void gen_qemu_st64(TCGv arg0, TCGv arg1, int flags)
2700 2689  
2701 2690  
2702 2691 #else /* defined(TARGET_PPC64) */
2703   -#define GEN_QEMU_LD_PPC32(width) \
2704   -static always_inline void gen_qemu_ld##width##_ppc32(TCGv arg0, TCGv arg1, int flags)\
2705   -{ \
2706   - tcg_gen_qemu_ld##width(arg0, arg1, flags >> 1); \
  2692 +#define GEN_QEMU_LD_PPC32(width) \
  2693 +static always_inline void gen_qemu_ld##width##_ppc32(TCGv arg0, TCGv arg1, int flags) \
  2694 +{ \
  2695 + tcg_gen_qemu_ld##width(arg0, arg1, flags >> 1); \
2707 2696 }
2708 2697 GEN_QEMU_LD_PPC32(8u)
2709 2698 GEN_QEMU_LD_PPC32(8s)
... ... @@ -2711,15 +2700,23 @@ GEN_QEMU_LD_PPC32(16u)
2711 2700 GEN_QEMU_LD_PPC32(16s)
2712 2701 GEN_QEMU_LD_PPC32(32u)
2713 2702 GEN_QEMU_LD_PPC32(32s)
  2703 +static always_inline void gen_qemu_ld64_ppc32(TCGv_i64 arg0, TCGv arg1, int flags)
  2704 +{
  2705 + tcg_gen_qemu_ld64(arg0, arg1, flags >> 1);
  2706 +}
2714 2707  
2715   -#define GEN_QEMU_ST_PPC32(width) \
2716   -static always_inline void gen_qemu_st##width##_ppc32(TCGv arg0, TCGv arg1, int flags)\
2717   -{ \
2718   - tcg_gen_qemu_st##width(arg0, arg1, flags >> 1); \
  2708 +#define GEN_QEMU_ST_PPC32(width) \
  2709 +static always_inline void gen_qemu_st##width##_ppc32(TCGv arg0, TCGv arg1, int flags) \
  2710 +{ \
  2711 + tcg_gen_qemu_st##width(arg0, arg1, flags >> 1); \
2719 2712 }
2720 2713 GEN_QEMU_ST_PPC32(8)
2721 2714 GEN_QEMU_ST_PPC32(16)
2722 2715 GEN_QEMU_ST_PPC32(32)
  2716 +static always_inline void gen_qemu_st64_ppc32(TCGv_i64 arg0, TCGv arg1, int flags)
  2717 +{
  2718 + tcg_gen_qemu_st64(arg0, arg1, flags >> 1);
  2719 +}
2723 2720  
2724 2721 static always_inline void gen_qemu_ld8u(TCGv arg0, TCGv arg1, int flags)
2725 2722 {
... ... @@ -2755,6 +2752,13 @@ static always_inline void gen_qemu_ld32u(TCGv arg0, TCGv arg1, int flags)
2755 2752 tcg_gen_bswap_i32(arg0, arg0);
2756 2753 }
2757 2754  
  2755 +static always_inline void gen_qemu_ld64(TCGv_i64 arg0, TCGv arg1, int flags)
  2756 +{
  2757 + gen_qemu_ld64_ppc32(arg0, arg1, flags);
  2758 + if (unlikely(flags & 1))
  2759 + tcg_gen_bswap_i64(arg0, arg0);
  2760 +}
  2761 +
2758 2762 static always_inline void gen_qemu_st8(TCGv arg0, TCGv arg1, int flags)
2759 2763 {
2760 2764 gen_qemu_st8_ppc32(arg0, arg1, flags);
... ... @@ -2783,6 +2787,16 @@ static always_inline void gen_qemu_st32(TCGv arg0, TCGv arg1, int flags)
2783 2787 gen_qemu_st32_ppc32(arg0, arg1, flags);
2784 2788 }
2785 2789  
  2790 +static always_inline void gen_qemu_st64(TCGv_i64 arg0, TCGv arg1, int flags)
  2791 +{
  2792 + if (unlikely(flags & 1)) {
  2793 + TCGv_i64 temp = tcg_temp_new_i64();
  2794 + tcg_gen_bswap_i64(temp, arg0);
  2795 + gen_qemu_st64_ppc32(temp, arg1, flags);
  2796 + tcg_temp_free_i64(temp);
  2797 + } else
  2798 + gen_qemu_st64_ppc32(arg0, arg1, flags);
  2799 +}
2786 2800 #endif
2787 2801  
2788 2802 #define GEN_LD(name, ldop, opc, type) \
... ... @@ -3325,22 +3339,25 @@ GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT)
3325 3339 }
3326 3340  
3327 3341 /*** Floating-point load ***/
3328   -#define GEN_LDF(width, opc, type) \
3329   -GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, type) \
  3342 +#define GEN_LDF(name, ldop, opc, type) \
  3343 +GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \
3330 3344 { \
  3345 + TCGv EA; \
3331 3346 if (unlikely(!ctx->fpu_enabled)) { \
3332 3347 GEN_EXCP_NO_FP(ctx); \
3333 3348 return; \
3334 3349 } \
3335 3350 gen_set_access_type(ACCESS_FLOAT); \
3336   - gen_addr_imm_index(cpu_T[0], ctx, 0); \
3337   - op_ldst(l##width); \
3338   - tcg_gen_mov_i64(cpu_fpr[rD(ctx->opcode)], cpu_FT[0]); \
  3351 + EA = tcg_temp_new(); \
  3352 + gen_addr_imm_index(EA, ctx, 0); \
  3353 + gen_qemu_##ldop(cpu_fpr[rD(ctx->opcode)], EA, ctx->mem_idx); \
  3354 + tcg_temp_free(EA); \
3339 3355 }
3340 3356  
3341   -#define GEN_LDUF(width, opc, type) \
3342   -GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, type) \
  3357 +#define GEN_LDUF(name, ldop, opc, type) \
  3358 +GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type) \
3343 3359 { \
  3360 + TCGv EA; \
3344 3361 if (unlikely(!ctx->fpu_enabled)) { \
3345 3362 GEN_EXCP_NO_FP(ctx); \
3346 3363 return; \
... ... @@ -3350,15 +3367,17 @@ GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, type) \
3350 3367 return; \
3351 3368 } \
3352 3369 gen_set_access_type(ACCESS_FLOAT); \
3353   - gen_addr_imm_index(cpu_T[0], ctx, 0); \
3354   - op_ldst(l##width); \
3355   - tcg_gen_mov_i64(cpu_fpr[rD(ctx->opcode)], cpu_FT[0]); \
3356   - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); \
  3370 + EA = tcg_temp_new(); \
  3371 + gen_addr_imm_index(EA, ctx, 0); \
  3372 + gen_qemu_##ldop(cpu_fpr[rD(ctx->opcode)], EA, ctx->mem_idx); \
  3373 + tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
  3374 + tcg_temp_free(EA); \
3357 3375 }
3358 3376  
3359   -#define GEN_LDUXF(width, opc, type) \
3360   -GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, type) \
  3377 +#define GEN_LDUXF(name, ldop, opc, type) \
  3378 +GEN_HANDLER(name##ux, 0x1F, 0x17, opc, 0x00000001, type) \
3361 3379 { \
  3380 + TCGv EA; \
3362 3381 if (unlikely(!ctx->fpu_enabled)) { \
3363 3382 GEN_EXCP_NO_FP(ctx); \
3364 3383 return; \
... ... @@ -3368,54 +3387,70 @@ GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, type) \
3368 3387 return; \
3369 3388 } \
3370 3389 gen_set_access_type(ACCESS_FLOAT); \
3371   - gen_addr_reg_index(cpu_T[0], ctx); \
3372   - op_ldst(l##width); \
3373   - tcg_gen_mov_i64(cpu_fpr[rD(ctx->opcode)], cpu_FT[0]); \
3374   - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); \
  3390 + EA = tcg_temp_new(); \
  3391 + gen_addr_reg_index(EA, ctx); \
  3392 + gen_qemu_##ldop(cpu_fpr[rD(ctx->opcode)], EA, ctx->mem_idx); \
  3393 + tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
  3394 + tcg_temp_free(EA); \
3375 3395 }
3376 3396  
3377   -#define GEN_LDXF(width, opc2, opc3, type) \
3378   -GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, type) \
  3397 +#define GEN_LDXF(name, ldop, opc2, opc3, type) \
  3398 +GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \
3379 3399 { \
  3400 + TCGv EA; \
3380 3401 if (unlikely(!ctx->fpu_enabled)) { \
3381 3402 GEN_EXCP_NO_FP(ctx); \
3382 3403 return; \
3383 3404 } \
3384 3405 gen_set_access_type(ACCESS_FLOAT); \
3385   - gen_addr_reg_index(cpu_T[0], ctx); \
3386   - op_ldst(l##width); \
3387   - tcg_gen_mov_i64(cpu_fpr[rD(ctx->opcode)], cpu_FT[0]); \
  3406 + EA = tcg_temp_new(); \
  3407 + gen_addr_reg_index(EA, ctx); \
  3408 + gen_qemu_##ldop(cpu_fpr[rD(ctx->opcode)], EA, ctx->mem_idx); \
  3409 + tcg_temp_free(EA); \
3388 3410 }
3389 3411  
3390   -#define GEN_LDFS(width, op, type) \
3391   -OP_LD_TABLE(width); \
3392   -GEN_LDF(width, op | 0x20, type); \
3393   -GEN_LDUF(width, op | 0x21, type); \
3394   -GEN_LDUXF(width, op | 0x01, type); \
3395   -GEN_LDXF(width, 0x17, op | 0x00, type)
  3412 +#define GEN_LDFS(name, ldop, op, type) \
  3413 +GEN_LDF(name, ldop, op | 0x20, type); \
  3414 +GEN_LDUF(name, ldop, op | 0x21, type); \
  3415 +GEN_LDUXF(name, ldop, op | 0x01, type); \
  3416 +GEN_LDXF(name, ldop, 0x17, op | 0x00, type)
3396 3417  
3397   -/* lfd lfdu lfdux lfdx */
3398   -GEN_LDFS(fd, 0x12, PPC_FLOAT);
3399   -/* lfs lfsu lfsux lfsx */
3400   -GEN_LDFS(fs, 0x10, PPC_FLOAT);
  3418 +static always_inline void gen_qemu_ld32fs(TCGv_i64 arg1, TCGv arg2, int flags)
  3419 +{
  3420 + TCGv t0 = tcg_temp_new();
  3421 + TCGv_i32 t1 = tcg_temp_new_i32();
  3422 + gen_qemu_ld32u(t0, arg2, flags);
  3423 + tcg_gen_trunc_tl_i32(t1, t0);
  3424 + tcg_temp_free(t0);
  3425 + gen_helper_float32_to_float64(arg1, t1);
  3426 + tcg_temp_free_i32(t1);
  3427 +}
  3428 +
  3429 + /* lfd lfdu lfdux lfdx */
  3430 +GEN_LDFS(lfd, ld64, 0x12, PPC_FLOAT);
  3431 + /* lfs lfsu lfsux lfsx */
  3432 +GEN_LDFS(lfs, ld32fs, 0x10, PPC_FLOAT);
3401 3433  
3402 3434 /*** Floating-point store ***/
3403   -#define GEN_STF(width, opc, type) \
3404   -GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, type) \
  3435 +#define GEN_STF(name, stop, opc, type) \
  3436 +GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \
3405 3437 { \
  3438 + TCGv EA; \
3406 3439 if (unlikely(!ctx->fpu_enabled)) { \
3407 3440 GEN_EXCP_NO_FP(ctx); \
3408 3441 return; \
3409 3442 } \
3410 3443 gen_set_access_type(ACCESS_FLOAT); \
3411   - gen_addr_imm_index(cpu_T[0], ctx, 0); \
3412   - tcg_gen_mov_i64(cpu_FT[0], cpu_fpr[rS(ctx->opcode)]); \
3413   - op_ldst(st##width); \
  3444 + EA = tcg_temp_new(); \
  3445 + gen_addr_imm_index(EA, ctx, 0); \
  3446 + gen_qemu_##stop(cpu_fpr[rS(ctx->opcode)], EA, ctx->mem_idx); \
  3447 + tcg_temp_free(EA); \
3414 3448 }
3415 3449  
3416   -#define GEN_STUF(width, opc, type) \
3417   -GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, type) \
  3450 +#define GEN_STUF(name, stop, opc, type) \
  3451 +GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type) \
3418 3452 { \
  3453 + TCGv EA; \
3419 3454 if (unlikely(!ctx->fpu_enabled)) { \
3420 3455 GEN_EXCP_NO_FP(ctx); \
3421 3456 return; \
... ... @@ -3425,15 +3460,17 @@ GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, type) \
3425 3460 return; \
3426 3461 } \
3427 3462 gen_set_access_type(ACCESS_FLOAT); \
3428   - gen_addr_imm_index(cpu_T[0], ctx, 0); \
3429   - tcg_gen_mov_i64(cpu_FT[0], cpu_fpr[rS(ctx->opcode)]); \
3430   - op_ldst(st##width); \
3431   - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); \
  3463 + EA = tcg_temp_new(); \
  3464 + gen_addr_imm_index(EA, ctx, 0); \
  3465 + gen_qemu_##stop(cpu_fpr[rS(ctx->opcode)], EA, ctx->mem_idx); \
  3466 + tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
  3467 + tcg_temp_free(EA); \
3432 3468 }
3433 3469  
3434   -#define GEN_STUXF(width, opc, type) \
3435   -GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, type) \
  3470 +#define GEN_STUXF(name, stop, opc, type) \
  3471 +GEN_HANDLER(name##ux, 0x1F, 0x17, opc, 0x00000001, type) \
3436 3472 { \
  3473 + TCGv EA; \
3437 3474 if (unlikely(!ctx->fpu_enabled)) { \
3438 3475 GEN_EXCP_NO_FP(ctx); \
3439 3476 return; \
... ... @@ -3443,41 +3480,60 @@ GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, type) \
3443 3480 return; \
3444 3481 } \
3445 3482 gen_set_access_type(ACCESS_FLOAT); \
3446   - gen_addr_reg_index(cpu_T[0], ctx); \
3447   - tcg_gen_mov_i64(cpu_FT[0], cpu_fpr[rS(ctx->opcode)]); \
3448   - op_ldst(st##width); \
3449   - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); \
  3483 + EA = tcg_temp_new(); \
  3484 + gen_addr_reg_index(EA, ctx); \
  3485 + gen_qemu_##stop(cpu_fpr[rS(ctx->opcode)], EA, ctx->mem_idx); \
  3486 + tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
  3487 + tcg_temp_free(EA); \
3450 3488 }
3451 3489  
3452   -#define GEN_STXF(width, opc2, opc3, type) \
3453   -GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, type) \
  3490 +#define GEN_STXF(name, stop, opc2, opc3, type) \
  3491 +GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \
3454 3492 { \
  3493 + TCGv EA; \
3455 3494 if (unlikely(!ctx->fpu_enabled)) { \
3456 3495 GEN_EXCP_NO_FP(ctx); \
3457 3496 return; \
3458 3497 } \
3459 3498 gen_set_access_type(ACCESS_FLOAT); \
3460   - gen_addr_reg_index(cpu_T[0], ctx); \
3461   - tcg_gen_mov_i64(cpu_FT[0], cpu_fpr[rS(ctx->opcode)]); \
3462   - op_ldst(st##width); \
  3499 + EA = tcg_temp_new(); \
  3500 + gen_addr_reg_index(EA, ctx); \
  3501 + gen_qemu_##stop(cpu_fpr[rS(ctx->opcode)], EA, ctx->mem_idx); \
  3502 + tcg_temp_free(EA); \
3463 3503 }
3464 3504  
3465   -#define GEN_STFS(width, op, type) \
3466   -OP_ST_TABLE(width); \
3467   -GEN_STF(width, op | 0x20, type); \
3468   -GEN_STUF(width, op | 0x21, type); \
3469   -GEN_STUXF(width, op | 0x01, type); \
3470   -GEN_STXF(width, 0x17, op | 0x00, type)
  3505 +#define GEN_STFS(name, stop, op, type) \
  3506 +GEN_STF(name, stop, op | 0x20, type); \
  3507 +GEN_STUF(name, stop, op | 0x21, type); \
  3508 +GEN_STUXF(name, stop, op | 0x01, type); \
  3509 +GEN_STXF(name, stop, 0x17, op | 0x00, type)
  3510 +
  3511 +static always_inline void gen_qemu_st32fs(TCGv_i64 arg1, TCGv arg2, int flags)
  3512 +{
  3513 + TCGv_i32 t0 = tcg_temp_new_i32();
  3514 + TCGv t1 = tcg_temp_new();
  3515 + gen_helper_float64_to_float32(t0, arg1);
  3516 + tcg_gen_extu_i32_tl(t1, t0);
  3517 + tcg_temp_free_i32(t0);
  3518 + gen_qemu_st32(t1, arg2, flags);
  3519 + tcg_temp_free(t1);
  3520 +}
3471 3521  
3472 3522 /* stfd stfdu stfdux stfdx */
3473   -GEN_STFS(fd, 0x16, PPC_FLOAT);
  3523 +GEN_STFS(stfd, st64, 0x16, PPC_FLOAT);
3474 3524 /* stfs stfsu stfsux stfsx */
3475   -GEN_STFS(fs, 0x14, PPC_FLOAT);
  3525 +GEN_STFS(stfs, st32fs, 0x14, PPC_FLOAT);
3476 3526  
3477 3527 /* Optional: */
  3528 +static always_inline void gen_qemu_st32fiw(TCGv_i64 arg1, TCGv arg2, int flags)
  3529 +{
  3530 + TCGv t0 = tcg_temp_new();
  3531 + tcg_gen_trunc_i64_tl(t0, arg1),
  3532 + gen_qemu_st32(t0, arg2, flags);
  3533 + tcg_temp_free(t0);
  3534 +}
3478 3535 /* stfiwx */
3479   -OP_ST_TABLE(fiw);
3480   -GEN_STXF(fiw, 0x17, 0x1E, PPC_FLOAT_STFIWX);
  3536 +GEN_STXF(stfiw, st32fiw, 0x17, 0x1E, PPC_FLOAT_STFIWX);
3481 3537  
3482 3538 /*** Branch ***/
3483 3539 static always_inline void gen_goto_tb (DisasContext *ctx, int n,
... ...