Revision ec6469a3
| b/target-ppc/translate.c | ||
|---|---|---|
| 1288 | 1288 |
#endif |
| 1289 | 1289 |
|
| 1290 | 1290 |
/* neg neg. nego nego. */ |
| 1291 |
static always_inline void gen_op_neg (DisasContext *ctx, TCGv ret, TCGv arg1, int ov_check) |
|
| 1291 |
static always_inline void gen_op_arith_neg (DisasContext *ctx, TCGv ret, TCGv arg1, int ov_check)
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|
| 1292 | 1292 |
{
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| 1293 |
int l1, l2; |
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| 1294 |
|
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| 1295 |
l1 = gen_new_label(); |
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| 1296 |
l2 = gen_new_label(); |
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| 1293 |
int l1 = gen_new_label(); |
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| 1294 |
int l2 = gen_new_label(); |
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| 1295 |
TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL); |
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| 1297 | 1296 |
#if defined(TARGET_PPC64) |
| 1298 | 1297 |
if (ctx->sf_mode) {
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| 1299 |
tcg_gen_brcondi_tl(TCG_COND_EQ, arg1, INT64_MIN, l1); |
|
| 1300 |
} else {
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| 1301 |
TCGv t0 = tcg_temp_new(TCG_TYPE_TL); |
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| 1302 |
tcg_gen_ext32s_tl(t0, arg1); |
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| 1298 |
tcg_gen_movi_tl(t0, arg1); |
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| 1299 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT64_MIN, l1); |
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| 1300 |
} else |
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| 1301 |
#endif |
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| 1302 |
{
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tcg_gen_ext32s_tl(t0, arg1); |
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| 1303 | 1304 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT32_MIN, l1); |
| 1304 | 1305 |
} |
| 1305 |
#else |
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| 1306 |
tcg_gen_brcondi_tl(TCG_COND_EQ, arg1, INT32_MIN, l1); |
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| 1307 |
#endif |
|
| 1308 | 1306 |
tcg_gen_neg_tl(ret, arg1); |
| 1309 | 1307 |
if (ov_check) {
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| 1310 | 1308 |
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); |
| 1311 | 1309 |
} |
| 1312 | 1310 |
tcg_gen_br(l2); |
| 1313 | 1311 |
gen_set_label(l1); |
| 1314 |
tcg_gen_mov_tl(ret, arg1);
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|
| 1312 |
tcg_gen_mov_tl(ret, t0);
|
|
| 1315 | 1313 |
if (ov_check) {
|
| 1316 | 1314 |
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); |
| 1317 | 1315 |
} |
| 1318 | 1316 |
gen_set_label(l2); |
| 1317 |
tcg_temp_free(t0); |
|
| 1319 | 1318 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 1320 | 1319 |
gen_set_Rc0(ctx, ret); |
| 1321 | 1320 |
} |
| 1322 | 1321 |
GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER) |
| 1323 | 1322 |
{
|
| 1324 |
gen_op_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0); |
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| 1323 |
gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0);
|
|
| 1325 | 1324 |
} |
| 1326 | 1325 |
GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER) |
| 1327 | 1326 |
{
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| 1328 |
gen_op_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1); |
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| 1327 |
gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1);
|
|
| 1329 | 1328 |
} |
| 1330 | 1329 |
|
| 1331 | 1330 |
/* Common subf function */ |
Also available in: Unified diff