diff options
author | Laurent Vivier <laurent@vivier.eu> | 2018-03-05 21:39:04 +0100 |
---|---|---|
committer | Laurent Vivier <laurent@vivier.eu> | 2018-03-09 15:50:36 +0100 |
commit | 4b5c65b8f02a057bc1b77839b5012544f96fec80 (patch) | |
tree | 4c28b87d667c8222d469eec4140c83af6df5d3f3 /target/m68k | |
parent | 9a069775a8087cbd6fa8c479b69be8d37bd90351 (diff) |
target/m68k: implement flognp1
Using a local m68k floatx80_lognp1()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-3-laurent@vivier.eu>
Diffstat (limited to 'target/m68k')
-rw-r--r-- | target/m68k/fpu_helper.c | 5 | ||||
-rw-r--r-- | target/m68k/helper.h | 1 | ||||
-rw-r--r-- | target/m68k/softfloat.c | 216 | ||||
-rw-r--r-- | target/m68k/softfloat.h | 1 | ||||
-rw-r--r-- | target/m68k/softfloat_fpsp_tables.h | 154 | ||||
-rw-r--r-- | target/m68k/translate.c | 3 |
6 files changed, 380 insertions, 0 deletions
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index cdb9b50462..614064612e 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -557,3 +557,8 @@ void HELPER(fscale)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) { res->d = floatx80_scale(val1->d, val0->d, &env->fp_status); } + +void HELPER(flognp1)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + res->d = floatx80_lognp1(val->d, &env->fp_status); +} diff --git a/target/m68k/helper.h b/target/m68k/helper.h index c348dced3a..f7e6fc8c40 100644 --- a/target/m68k/helper.h +++ b/target/m68k/helper.h @@ -68,6 +68,7 @@ DEF_HELPER_4(frem, void, env, fp, fp, fp) DEF_HELPER_3(fgetexp, void, env, fp, fp) DEF_HELPER_3(fgetman, void, env, fp, fp) DEF_HELPER_4(fscale, void, env, fp, fp, fp) +DEF_HELPER_3(flognp1, void, env, fp, fp) DEF_HELPER_3(mac_move, void, env, i32, i32) DEF_HELPER_3(macmulf, i64, env, i32, i32) diff --git a/target/m68k/softfloat.c b/target/m68k/softfloat.c index 55eb7a260a..834db12964 100644 --- a/target/m68k/softfloat.c +++ b/target/m68k/softfloat.c @@ -21,6 +21,7 @@ #include "qemu/osdep.h" #include "softfloat.h" #include "fpu/softfloat-macros.h" +#include "softfloat_fpsp_tables.h" static floatx80 propagateFloatx80NaNOneArg(floatx80 a, float_status *status) { @@ -274,3 +275,218 @@ floatx80 floatx80_move(floatx80 a, float_status *status) return roundAndPackFloatx80(status->floatx80_rounding_precision, aSign, aExp, aSig, 0, status); } + +/*---------------------------------------------------------------------------- +| Algorithms for transcendental functions supported by MC68881 and MC68882 +| mathematical coprocessors. The functions are derived from FPSP library. +*----------------------------------------------------------------------------*/ + +#define one_exp 0x3FFF +#define one_sig LIT64(0x8000000000000000) + +/*---------------------------------------------------------------------------- + | Function for compactifying extended double-precision floating point values. + *----------------------------------------------------------------------------*/ + +static int32_t floatx80_make_compact(int32_t aExp, uint64_t aSig) +{ + return (aExp << 16) | (aSig >> 48); +} + +/*---------------------------------------------------------------------------- + | Log base e of x plus 1 + *----------------------------------------------------------------------------*/ + +floatx80 floatx80_lognp1(floatx80 a, float_status *status) +{ + flag aSign; + int32_t aExp; + uint64_t aSig, fSig; + + int8_t user_rnd_mode, user_rnd_prec; + + int32_t compact, j, k; + floatx80 fp0, fp1, fp2, fp3, f, logof2, klog2, saveu; + + aSig = extractFloatx80Frac(a); + aExp = extractFloatx80Exp(a); + aSign = extractFloatx80Sign(a); + + if (aExp == 0x7FFF) { + if ((uint64_t) (aSig << 1)) { + propagateFloatx80NaNOneArg(a, status); + } + if (aSign) { + float_raise(float_flag_invalid, status); + return floatx80_default_nan(status); + } + return packFloatx80(0, floatx80_infinity.high, floatx80_infinity.low); + } + + if (aExp == 0 && aSig == 0) { + return packFloatx80(aSign, 0, 0); + } + + if (aSign && aExp >= one_exp) { + if (aExp == one_exp && aSig == one_sig) { + float_raise(float_flag_divbyzero, status); + packFloatx80(aSign, floatx80_infinity.high, floatx80_infinity.low); + } + float_raise(float_flag_invalid, status); + return floatx80_default_nan(status); + } + + if (aExp < 0x3f99 || (aExp == 0x3f99 && aSig == one_sig)) { + /* <= min threshold */ + float_raise(float_flag_inexact, status); + return floatx80_move(a, status); + } + + user_rnd_mode = status->float_rounding_mode; + user_rnd_prec = status->floatx80_rounding_precision; + status->float_rounding_mode = float_round_nearest_even; + status->floatx80_rounding_precision = 80; + + compact = floatx80_make_compact(aExp, aSig); + + fp0 = a; /* Z */ + fp1 = a; + + fp0 = floatx80_add(fp0, float32_to_floatx80(make_float32(0x3F800000), + status), status); /* X = (1+Z) */ + + aExp = extractFloatx80Exp(fp0); + aSig = extractFloatx80Frac(fp0); + + compact = floatx80_make_compact(aExp, aSig); + + if (compact < 0x3FFE8000 || compact > 0x3FFFC000) { + /* |X| < 1/2 or |X| > 3/2 */ + k = aExp - 0x3FFF; + fp1 = int32_to_floatx80(k, status); + + fSig = (aSig & LIT64(0xFE00000000000000)) | LIT64(0x0100000000000000); + j = (fSig >> 56) & 0x7E; /* DISPLACEMENT FOR 1/F */ + + f = packFloatx80(0, 0x3FFF, fSig); /* F */ + fp0 = packFloatx80(0, 0x3FFF, aSig); /* Y */ + + fp0 = floatx80_sub(fp0, f, status); /* Y-F */ + + lp1cont1: + /* LP1CONT1 */ + fp0 = floatx80_mul(fp0, log_tbl[j], status); /* FP0 IS U = (Y-F)/F */ + logof2 = packFloatx80(0, 0x3FFE, LIT64(0xB17217F7D1CF79AC)); + klog2 = floatx80_mul(fp1, logof2, status); /* FP1 IS K*LOG2 */ + fp2 = floatx80_mul(fp0, fp0, status); /* FP2 IS V=U*U */ + + fp3 = fp2; + fp1 = fp2; + + fp1 = floatx80_mul(fp1, float64_to_floatx80( + make_float64(0x3FC2499AB5E4040B), status), + status); /* V*A6 */ + fp2 = floatx80_mul(fp2, float64_to_floatx80( + make_float64(0xBFC555B5848CB7DB), status), + status); /* V*A5 */ + fp1 = floatx80_add(fp1, float64_to_floatx80( + make_float64(0x3FC99999987D8730), status), + status); /* A4+V*A6 */ + fp2 = floatx80_add(fp2, float64_to_floatx80( + make_float64(0xBFCFFFFFFF6F7E97), status), + status); /* A3+V*A5 */ + fp1 = floatx80_mul(fp1, fp3, status); /* V*(A4+V*A6) */ + fp2 = floatx80_mul(fp2, fp3, status); /* V*(A3+V*A5) */ + fp1 = floatx80_add(fp1, float64_to_floatx80( + make_float64(0x3FD55555555555A4), status), + status); /* A2+V*(A4+V*A6) */ + fp2 = floatx80_add(fp2, float64_to_floatx80( + make_float64(0xBFE0000000000008), status), + status); /* A1+V*(A3+V*A5) */ + fp1 = floatx80_mul(fp1, fp3, status); /* V*(A2+V*(A4+V*A6)) */ + fp2 = floatx80_mul(fp2, fp3, status); /* V*(A1+V*(A3+V*A5)) */ + fp1 = floatx80_mul(fp1, fp0, status); /* U*V*(A2+V*(A4+V*A6)) */ + fp0 = floatx80_add(fp0, fp2, status); /* U+V*(A1+V*(A3+V*A5)) */ + + fp1 = floatx80_add(fp1, log_tbl[j + 1], + status); /* LOG(F)+U*V*(A2+V*(A4+V*A6)) */ + fp0 = floatx80_add(fp0, fp1, status); /* FP0 IS LOG(F) + LOG(1+U) */ + + status->float_rounding_mode = user_rnd_mode; + status->floatx80_rounding_precision = user_rnd_prec; + + a = floatx80_add(fp0, klog2, status); + + float_raise(float_flag_inexact, status); + + return a; + } else if (compact < 0x3FFEF07D || compact > 0x3FFF8841) { + /* |X| < 1/16 or |X| > -1/16 */ + /* LP1CARE */ + fSig = (aSig & LIT64(0xFE00000000000000)) | LIT64(0x0100000000000000); + f = packFloatx80(0, 0x3FFF, fSig); /* F */ + j = (fSig >> 56) & 0x7E; /* DISPLACEMENT FOR 1/F */ + + if (compact >= 0x3FFF8000) { /* 1+Z >= 1 */ + /* KISZERO */ + fp0 = floatx80_sub(float32_to_floatx80(make_float32(0x3F800000), + status), f, status); /* 1-F */ + fp0 = floatx80_add(fp0, fp1, status); /* FP0 IS Y-F = (1-F)+Z */ + fp1 = packFloatx80(0, 0, 0); /* K = 0 */ + } else { + /* KISNEG */ + fp0 = floatx80_sub(float32_to_floatx80(make_float32(0x40000000), + status), f, status); /* 2-F */ + fp1 = floatx80_add(fp1, fp1, status); /* 2Z */ + fp0 = floatx80_add(fp0, fp1, status); /* FP0 IS Y-F = (2-F)+2Z */ + fp1 = packFloatx80(1, one_exp, one_sig); /* K = -1 */ + } + goto lp1cont1; + } else { + /* LP1ONE16 */ + fp1 = floatx80_add(fp1, fp1, status); /* FP1 IS 2Z */ + fp0 = floatx80_add(fp0, float32_to_floatx80(make_float32(0x3F800000), + status), status); /* FP0 IS 1+X */ + + /* LP1CONT2 */ + fp1 = floatx80_div(fp1, fp0, status); /* U */ + saveu = fp1; + fp0 = floatx80_mul(fp1, fp1, status); /* FP0 IS V = U*U */ + fp1 = floatx80_mul(fp0, fp0, status); /* FP1 IS W = V*V */ + + fp3 = float64_to_floatx80(make_float64(0x3F175496ADD7DAD6), + status); /* B5 */ + fp2 = float64_to_floatx80(make_float64(0x3F3C71C2FE80C7E0), + status); /* B4 */ + fp3 = floatx80_mul(fp3, fp1, status); /* W*B5 */ + fp2 = floatx80_mul(fp2, fp1, status); /* W*B4 */ + fp3 = floatx80_add(fp3, float64_to_floatx80( + make_float64(0x3F624924928BCCFF), status), + status); /* B3+W*B5 */ + fp2 = floatx80_add(fp2, float64_to_floatx80( + make_float64(0x3F899999999995EC), status), + status); /* B2+W*B4 */ + fp1 = floatx80_mul(fp1, fp3, status); /* W*(B3+W*B5) */ + fp2 = floatx80_mul(fp2, fp0, status); /* V*(B2+W*B4) */ + fp1 = floatx80_add(fp1, float64_to_floatx80( + make_float64(0x3FB5555555555555), status), + status); /* B1+W*(B3+W*B5) */ + + fp0 = floatx80_mul(fp0, saveu, status); /* FP0 IS U*V */ + fp1 = floatx80_add(fp1, fp2, + status); /* B1+W*(B3+W*B5) + V*(B2+W*B4) */ + fp0 = floatx80_mul(fp0, fp1, + status); /* U*V*([B1+W*(B3+W*B5)] + [V*(B2+W*B4)]) */ + + status->float_rounding_mode = user_rnd_mode; + status->floatx80_rounding_precision = user_rnd_prec; + + a = floatx80_add(fp0, saveu, status); + + /*if (!floatx80_is_zero(a)) { */ + float_raise(float_flag_inexact, status); + /*} */ + + return a; + } +} diff --git a/target/m68k/softfloat.h b/target/m68k/softfloat.h index 18561b870d..4d74eaf862 100644 --- a/target/m68k/softfloat.h +++ b/target/m68k/softfloat.h @@ -27,4 +27,5 @@ floatx80 floatx80_getman(floatx80 a, float_status *status); floatx80 floatx80_getexp(floatx80 a, float_status *status); floatx80 floatx80_scale(floatx80 a, floatx80 b, float_status *status); floatx80 floatx80_move(floatx80 a, float_status *status); +floatx80 floatx80_lognp1(floatx80 a, float_status *status); #endif diff --git a/target/m68k/softfloat_fpsp_tables.h b/target/m68k/softfloat_fpsp_tables.h new file mode 100644 index 0000000000..a87179e11e --- /dev/null +++ b/target/m68k/softfloat_fpsp_tables.h @@ -0,0 +1,154 @@ +/* + * Ported from a work by Andreas Grabher for Previous, NeXT Computer Emulator, + * derived from NetBSD M68040 FPSP functions, + * derived from release 2a of the SoftFloat IEC/IEEE Floating-point Arithmetic + * Package. Those parts of the code (and some later contributions) are + * provided under that license, as detailed below. + * It has subsequently been modified by contributors to the QEMU Project, + * so some portions are provided under: + * the SoftFloat-2a license + * the BSD license + * GPL-v2-or-later + * + * Any future contributions to this file will be taken to be licensed under + * the Softfloat-2a license unless specifically indicated otherwise. + */ + +/* Portions of this work are licensed under the terms of the GNU GPL, + * version 2 or later. See the COPYING file in the top-level directory. + */ + +#ifndef TARGET_M68K_SOFTFLOAT_FPSP_TABLES_H +#define TARGET_M68K_SOFTFLOAT_FPSP_TABLES_H + +static const floatx80 log_tbl[128] = { + make_floatx80_init(0x3FFE, 0xFE03F80FE03F80FE), + make_floatx80_init(0x3FF7, 0xFF015358833C47E2), + make_floatx80_init(0x3FFE, 0xFA232CF252138AC0), + make_floatx80_init(0x3FF9, 0xBDC8D83EAD88D549), + make_floatx80_init(0x3FFE, 0xF6603D980F6603DA), + make_floatx80_init(0x3FFA, 0x9CF43DCFF5EAFD48), + make_floatx80_init(0x3FFE, 0xF2B9D6480F2B9D65), + make_floatx80_init(0x3FFA, 0xDA16EB88CB8DF614), + make_floatx80_init(0x3FFE, 0xEF2EB71FC4345238), + make_floatx80_init(0x3FFB, 0x8B29B7751BD70743), + make_floatx80_init(0x3FFE, 0xEBBDB2A5C1619C8C), + make_floatx80_init(0x3FFB, 0xA8D839F830C1FB49), + make_floatx80_init(0x3FFE, 0xE865AC7B7603A197), + make_floatx80_init(0x3FFB, 0xC61A2EB18CD907AD), + make_floatx80_init(0x3FFE, 0xE525982AF70C880E), + make_floatx80_init(0x3FFB, 0xE2F2A47ADE3A18AF), + make_floatx80_init(0x3FFE, 0xE1FC780E1FC780E2), + make_floatx80_init(0x3FFB, 0xFF64898EDF55D551), + make_floatx80_init(0x3FFE, 0xDEE95C4CA037BA57), + make_floatx80_init(0x3FFC, 0x8DB956A97B3D0148), + make_floatx80_init(0x3FFE, 0xDBEB61EED19C5958), + make_floatx80_init(0x3FFC, 0x9B8FE100F47BA1DE), + make_floatx80_init(0x3FFE, 0xD901B2036406C80E), + make_floatx80_init(0x3FFC, 0xA9372F1D0DA1BD17), + make_floatx80_init(0x3FFE, 0xD62B80D62B80D62C), + make_floatx80_init(0x3FFC, 0xB6B07F38CE90E46B), + make_floatx80_init(0x3FFE, 0xD3680D3680D3680D), + make_floatx80_init(0x3FFC, 0xC3FD032906488481), + make_floatx80_init(0x3FFE, 0xD0B69FCBD2580D0B), + make_floatx80_init(0x3FFC, 0xD11DE0FF15AB18CA), + make_floatx80_init(0x3FFE, 0xCE168A7725080CE1), + make_floatx80_init(0x3FFC, 0xDE1433A16C66B150), + make_floatx80_init(0x3FFE, 0xCB8727C065C393E0), + make_floatx80_init(0x3FFC, 0xEAE10B5A7DDC8ADD), + make_floatx80_init(0x3FFE, 0xC907DA4E871146AD), + make_floatx80_init(0x3FFC, 0xF7856E5EE2C9B291), + make_floatx80_init(0x3FFE, 0xC6980C6980C6980C), + make_floatx80_init(0x3FFD, 0x82012CA5A68206D7), + make_floatx80_init(0x3FFE, 0xC4372F855D824CA6), + make_floatx80_init(0x3FFD, 0x882C5FCD7256A8C5), + make_floatx80_init(0x3FFE, 0xC1E4BBD595F6E947), + make_floatx80_init(0x3FFD, 0x8E44C60B4CCFD7DE), + make_floatx80_init(0x3FFE, 0xBFA02FE80BFA02FF), + make_floatx80_init(0x3FFD, 0x944AD09EF4351AF6), + make_floatx80_init(0x3FFE, 0xBD69104707661AA3), + make_floatx80_init(0x3FFD, 0x9A3EECD4C3EAA6B2), + make_floatx80_init(0x3FFE, 0xBB3EE721A54D880C), + make_floatx80_init(0x3FFD, 0xA0218434353F1DE8), + make_floatx80_init(0x3FFE, 0xB92143FA36F5E02E), + make_floatx80_init(0x3FFD, 0xA5F2FCABBBC506DA), + make_floatx80_init(0x3FFE, 0xB70FBB5A19BE3659), + make_floatx80_init(0x3FFD, 0xABB3B8BA2AD362A5), + make_floatx80_init(0x3FFE, 0xB509E68A9B94821F), + make_floatx80_init(0x3FFD, 0xB1641795CE3CA97B), + make_floatx80_init(0x3FFE, 0xB30F63528917C80B), + make_floatx80_init(0x3FFD, 0xB70475515D0F1C61), + make_floatx80_init(0x3FFE, 0xB11FD3B80B11FD3C), + make_floatx80_init(0x3FFD, 0xBC952AFEEA3D13E1), + make_floatx80_init(0x3FFE, 0xAF3ADDC680AF3ADE), + make_floatx80_init(0x3FFD, 0xC2168ED0F458BA4A), + make_floatx80_init(0x3FFE, 0xAD602B580AD602B6), + make_floatx80_init(0x3FFD, 0xC788F439B3163BF1), + make_floatx80_init(0x3FFE, 0xAB8F69E28359CD11), + make_floatx80_init(0x3FFD, 0xCCECAC08BF04565D), + make_floatx80_init(0x3FFE, 0xA9C84A47A07F5638), + make_floatx80_init(0x3FFD, 0xD24204872DD85160), + make_floatx80_init(0x3FFE, 0xA80A80A80A80A80B), + make_floatx80_init(0x3FFD, 0xD78949923BC3588A), + make_floatx80_init(0x3FFE, 0xA655C4392D7B73A8), + make_floatx80_init(0x3FFD, 0xDCC2C4B49887DACC), + make_floatx80_init(0x3FFE, 0xA4A9CF1D96833751), + make_floatx80_init(0x3FFD, 0xE1EEBD3E6D6A6B9E), + make_floatx80_init(0x3FFE, 0xA3065E3FAE7CD0E0), + make_floatx80_init(0x3FFD, 0xE70D785C2F9F5BDC), + make_floatx80_init(0x3FFE, 0xA16B312EA8FC377D), + make_floatx80_init(0x3FFD, 0xEC1F392C5179F283), + make_floatx80_init(0x3FFE, 0x9FD809FD809FD80A), + make_floatx80_init(0x3FFD, 0xF12440D3E36130E6), + make_floatx80_init(0x3FFE, 0x9E4CAD23DD5F3A20), + make_floatx80_init(0x3FFD, 0xF61CCE92346600BB), + make_floatx80_init(0x3FFE, 0x9CC8E160C3FB19B9), + make_floatx80_init(0x3FFD, 0xFB091FD38145630A), + make_floatx80_init(0x3FFE, 0x9B4C6F9EF03A3CAA), + make_floatx80_init(0x3FFD, 0xFFE97042BFA4C2AD), + make_floatx80_init(0x3FFE, 0x99D722DABDE58F06), + make_floatx80_init(0x3FFE, 0x825EFCED49369330), + make_floatx80_init(0x3FFE, 0x9868C809868C8098), + make_floatx80_init(0x3FFE, 0x84C37A7AB9A905C9), + make_floatx80_init(0x3FFE, 0x97012E025C04B809), + make_floatx80_init(0x3FFE, 0x87224C2E8E645FB7), + make_floatx80_init(0x3FFE, 0x95A02568095A0257), + make_floatx80_init(0x3FFE, 0x897B8CAC9F7DE298), + make_floatx80_init(0x3FFE, 0x9445809445809446), + make_floatx80_init(0x3FFE, 0x8BCF55DEC4CD05FE), + make_floatx80_init(0x3FFE, 0x92F113840497889C), + make_floatx80_init(0x3FFE, 0x8E1DC0FB89E125E5), + make_floatx80_init(0x3FFE, 0x91A2B3C4D5E6F809), + make_floatx80_init(0x3FFE, 0x9066E68C955B6C9B), + make_floatx80_init(0x3FFE, 0x905A38633E06C43B), + make_floatx80_init(0x3FFE, 0x92AADE74C7BE59E0), + make_floatx80_init(0x3FFE, 0x8F1779D9FDC3A219), + make_floatx80_init(0x3FFE, 0x94E9BFF615845643), + make_floatx80_init(0x3FFE, 0x8DDA520237694809), + make_floatx80_init(0x3FFE, 0x9723A1B720134203), + make_floatx80_init(0x3FFE, 0x8CA29C046514E023), + make_floatx80_init(0x3FFE, 0x995899C890EB8990), + make_floatx80_init(0x3FFE, 0x8B70344A139BC75A), + make_floatx80_init(0x3FFE, 0x9B88BDAA3A3DAE2F), + make_floatx80_init(0x3FFE, 0x8A42F8705669DB46), + make_floatx80_init(0x3FFE, 0x9DB4224FFFE1157C), + make_floatx80_init(0x3FFE, 0x891AC73AE9819B50), + make_floatx80_init(0x3FFE, 0x9FDADC268B7A12DA), + make_floatx80_init(0x3FFE, 0x87F78087F78087F8), + make_floatx80_init(0x3FFE, 0xA1FCFF17CE733BD4), + make_floatx80_init(0x3FFE, 0x86D905447A34ACC6), + make_floatx80_init(0x3FFE, 0xA41A9E8F5446FB9F), + make_floatx80_init(0x3FFE, 0x85BF37612CEE3C9B), + make_floatx80_init(0x3FFE, 0xA633CD7E6771CD8B), + make_floatx80_init(0x3FFE, 0x84A9F9C8084A9F9D), + make_floatx80_init(0x3FFE, 0xA8489E600B435A5E), + make_floatx80_init(0x3FFE, 0x839930523FBE3368), + make_floatx80_init(0x3FFE, 0xAA59233CCCA4BD49), + make_floatx80_init(0x3FFE, 0x828CBFBEB9A020A3), + make_floatx80_init(0x3FFE, 0xAC656DAE6BCC4985), + make_floatx80_init(0x3FFE, 0x81848DA8FAF0D277), + make_floatx80_init(0x3FFE, 0xAE6D8EE360BB2468), + make_floatx80_init(0x3FFE, 0x8080808080808081), + make_floatx80_init(0x3FFE, 0xB07197A23C46C654) +}; +#endif diff --git a/target/m68k/translate.c b/target/m68k/translate.c index dbb24f8d84..2c3d20154a 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -5054,6 +5054,9 @@ DISAS_INSN(fpu) case 0x45: /* fdsqrt */ gen_helper_fdsqrt(cpu_env, cpu_dest, cpu_src); break; + case 0x06: /* flognp1 */ + gen_helper_flognp1(cpu_env, cpu_dest, cpu_src); + break; case 0x18: /* fabs */ gen_helper_fabs(cpu_env, cpu_dest, cpu_src); break; |