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| author | Laurent Vivier <laurent@vivier.eu> | 2018-03-12 21:27:21 +0100 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2018-03-13 16:34:09 +0100 |
| commit | 47446c9ce34b6685ffe20e829ff6c9aaefd3af0a (patch) | |
| tree | 051db46e123de533ce97a81b9d28cbfbb4442db2 /target/m68k | |
| parent | 68d0ed37866de2c5cafc4e2589e263961b2e8cd6 (diff) | |
| download | qemu-47446c9ce34b6685ffe20e829ff6c9aaefd3af0a.zip qemu-47446c9ce34b6685ffe20e829ff6c9aaefd3af0a.tar.gz qemu-47446c9ce34b6685ffe20e829ff6c9aaefd3af0a.tar.bz2 | |
target/m68k: implement fsincos
using floatx80_sin() and floatx80_cos()
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-5-laurent@vivier.eu>
Diffstat (limited to 'target/m68k')
| -rw-r--r-- | target/m68k/fpu_helper.c | 11 | ||||
| -rw-r--r-- | target/m68k/helper.h | 1 | ||||
| -rw-r--r-- | target/m68k/translate.c | 8 |
3 files changed, 20 insertions, 0 deletions
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index 71df19c..36e34d4 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -607,3 +607,14 @@ void HELPER(fcos)(CPUM68KState *env, FPReg *res, FPReg *val) { res->d = floatx80_cos(val->d, &env->fp_status); } + +void HELPER(fsincos)(CPUM68KState *env, FPReg *res0, FPReg *res1, FPReg *val) +{ + floatx80 a = val->d; + /* If res0 and res1 specify the same floating-point data register, + * the sine result is stored in the register, and the cosine + * result is discarded. + */ + res1->d = floatx80_cos(a, &env->fp_status); + res0->d = floatx80_sin(a, &env->fp_status); +} diff --git a/target/m68k/helper.h b/target/m68k/helper.h index 767baf7..a168ffb 100644 --- a/target/m68k/helper.h +++ b/target/m68k/helper.h @@ -78,6 +78,7 @@ DEF_HELPER_3(ftentox, void, env, fp, fp) DEF_HELPER_3(ftan, void, env, fp, fp) DEF_HELPER_3(fsin, void, env, fp, fp) DEF_HELPER_3(fcos, void, env, fp, fp) +DEF_HELPER_4(fsincos, void, env, fp, fp, fp) DEF_HELPER_3(mac_move, void, env, i32, i32) DEF_HELPER_3(macmulf, i64, env, i32, i32) diff --git a/target/m68k/translate.c b/target/m68k/translate.c index f47388d..a78edd8 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -5159,6 +5159,14 @@ DISAS_INSN(fpu) case 0x6c: /* fdsub */ gen_helper_fdsub(cpu_env, cpu_dest, cpu_src, cpu_dest); break; + case 0x30: case 0x31: case 0x32: + case 0x33: case 0x34: case 0x35: + case 0x36: case 0x37: { + TCGv_ptr cpu_dest2 = gen_fp_ptr(REG(ext, 0)); + gen_helper_fsincos(cpu_env, cpu_dest, cpu_dest2, cpu_src); + tcg_temp_free_ptr(cpu_dest2); + } + break; case 0x38: /* fcmp */ gen_helper_fcmp(cpu_env, cpu_src, cpu_dest); return; |