target/m68k: implement fetox

Using a local m68k floatx80_etox()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-7-laurent@vivier.eu>

1 files changed, 134 insertions, 0 deletions

diff --git a/target/m68k/softfloat_fpsp_tables.h b/target/m68k/softfloat_fpsp_tables.h
index a87179e11e..b2b63e5ced 100644
--- a/target/m68k/softfloat_fpsp_tables.h
+++ b/target/m68k/softfloat_fpsp_tables.h
@@ -151,4 +151,138 @@ static const floatx80 log_tbl[128] = {
     make_floatx80_init(0x3FFE, 0x8080808080808081),
     make_floatx80_init(0x3FFE, 0xB07197A23C46C654)
 };
+
+static const floatx80 exp_tbl[64] = {
+    make_floatx80_init(0x3FFF, 0x8000000000000000),
+    make_floatx80_init(0x3FFF, 0x8164D1F3BC030774),
+    make_floatx80_init(0x3FFF, 0x82CD8698AC2BA1D8),
+    make_floatx80_init(0x3FFF, 0x843A28C3ACDE4048),
+    make_floatx80_init(0x3FFF, 0x85AAC367CC487B14),
+    make_floatx80_init(0x3FFF, 0x871F61969E8D1010),
+    make_floatx80_init(0x3FFF, 0x88980E8092DA8528),
+    make_floatx80_init(0x3FFF, 0x8A14D575496EFD9C),
+    make_floatx80_init(0x3FFF, 0x8B95C1E3EA8BD6E8),
+    make_floatx80_init(0x3FFF, 0x8D1ADF5B7E5BA9E4),
+    make_floatx80_init(0x3FFF, 0x8EA4398B45CD53C0),
+    make_floatx80_init(0x3FFF, 0x9031DC431466B1DC),
+    make_floatx80_init(0x3FFF, 0x91C3D373AB11C338),
+    make_floatx80_init(0x3FFF, 0x935A2B2F13E6E92C),
+    make_floatx80_init(0x3FFF, 0x94F4EFA8FEF70960),
+    make_floatx80_init(0x3FFF, 0x96942D3720185A00),
+    make_floatx80_init(0x3FFF, 0x9837F0518DB8A970),
+    make_floatx80_init(0x3FFF, 0x99E0459320B7FA64),
+    make_floatx80_init(0x3FFF, 0x9B8D39B9D54E5538),
+    make_floatx80_init(0x3FFF, 0x9D3ED9A72CFFB750),
+    make_floatx80_init(0x3FFF, 0x9EF5326091A111AC),
+    make_floatx80_init(0x3FFF, 0xA0B0510FB9714FC4),
+    make_floatx80_init(0x3FFF, 0xA27043030C496818),
+    make_floatx80_init(0x3FFF, 0xA43515AE09E680A0),
+    make_floatx80_init(0x3FFF, 0xA5FED6A9B15138EC),
+    make_floatx80_init(0x3FFF, 0xA7CD93B4E9653568),
+    make_floatx80_init(0x3FFF, 0xA9A15AB4EA7C0EF8),
+    make_floatx80_init(0x3FFF, 0xAB7A39B5A93ED338),
+    make_floatx80_init(0x3FFF, 0xAD583EEA42A14AC8),
+    make_floatx80_init(0x3FFF, 0xAF3B78AD690A4374),
+    make_floatx80_init(0x3FFF, 0xB123F581D2AC2590),
+    make_floatx80_init(0x3FFF, 0xB311C412A9112488),
+    make_floatx80_init(0x3FFF, 0xB504F333F9DE6484),
+    make_floatx80_init(0x3FFF, 0xB6FD91E328D17790),
+    make_floatx80_init(0x3FFF, 0xB8FBAF4762FB9EE8),
+    make_floatx80_init(0x3FFF, 0xBAFF5AB2133E45FC),
+    make_floatx80_init(0x3FFF, 0xBD08A39F580C36C0),
+    make_floatx80_init(0x3FFF, 0xBF1799B67A731084),
+    make_floatx80_init(0x3FFF, 0xC12C4CCA66709458),
+    make_floatx80_init(0x3FFF, 0xC346CCDA24976408),
+    make_floatx80_init(0x3FFF, 0xC5672A115506DADC),
+    make_floatx80_init(0x3FFF, 0xC78D74C8ABB9B15C),
+    make_floatx80_init(0x3FFF, 0xC9B9BD866E2F27A4),
+    make_floatx80_init(0x3FFF, 0xCBEC14FEF2727C5C),
+    make_floatx80_init(0x3FFF, 0xCE248C151F8480E4),
+    make_floatx80_init(0x3FFF, 0xD06333DAEF2B2594),
+    make_floatx80_init(0x3FFF, 0xD2A81D91F12AE45C),
+    make_floatx80_init(0x3FFF, 0xD4F35AABCFEDFA20),
+    make_floatx80_init(0x3FFF, 0xD744FCCAD69D6AF4),
+    make_floatx80_init(0x3FFF, 0xD99D15C278AFD7B4),
+    make_floatx80_init(0x3FFF, 0xDBFBB797DAF23754),
+    make_floatx80_init(0x3FFF, 0xDE60F4825E0E9124),
+    make_floatx80_init(0x3FFF, 0xE0CCDEEC2A94E110),
+    make_floatx80_init(0x3FFF, 0xE33F8972BE8A5A50),
+    make_floatx80_init(0x3FFF, 0xE5B906E77C8348A8),
+    make_floatx80_init(0x3FFF, 0xE8396A503C4BDC68),
+    make_floatx80_init(0x3FFF, 0xEAC0C6E7DD243930),
+    make_floatx80_init(0x3FFF, 0xED4F301ED9942B84),
+    make_floatx80_init(0x3FFF, 0xEFE4B99BDCDAF5CC),
+    make_floatx80_init(0x3FFF, 0xF281773C59FFB138),
+    make_floatx80_init(0x3FFF, 0xF5257D152486CC2C),
+    make_floatx80_init(0x3FFF, 0xF7D0DF730AD13BB8),
+    make_floatx80_init(0x3FFF, 0xFA83B2DB722A033C),
+    make_floatx80_init(0x3FFF, 0xFD3E0C0CF486C174)
+};
+
+static const float32 exp_tbl2[64] = {
+    const_float32(0x00000000),
+    const_float32(0x9F841A9B),
+    const_float32(0x9FC1D5B9),
+    const_float32(0xA0728369),
+    const_float32(0x1FC5C95C),
+    const_float32(0x1EE85C9F),
+    const_float32(0x9FA20729),
+    const_float32(0xA07BF9AF),
+    const_float32(0xA0020DCF),
+    const_float32(0x205A63DA),
+    const_float32(0x1EB70051),
+    const_float32(0x1F6EB029),
+    const_float32(0xA0781494),
+    const_float32(0x9EB319B0),
+    const_float32(0x2017457D),
+    const_float32(0x1F11D537),
+    const_float32(0x9FB952DD),
+    const_float32(0x1FE43087),
+    const_float32(0x1FA2A818),
+    const_float32(0x1FDE494D),
+    const_float32(0x20504890),
+    const_float32(0xA073691C),
+    const_float32(0x1F9B7A05),
+    const_float32(0xA0797126),
+    const_float32(0xA071A140),
+    const_float32(0x204F62DA),
+    const_float32(0x1F283C4A),
+    const_float32(0x9F9A7FDC),
+    const_float32(0xA05B3FAC),
+    const_float32(0x1FDF2610),
+    const_float32(0x9F705F90),
+    const_float32(0x201F678A),
+    const_float32(0x1F32FB13),
+    const_float32(0x20038B30),
+    const_float32(0x200DC3CC),
+    const_float32(0x9F8B2AE6),
+    const_float32(0xA02BBF70),
+    const_float32(0xA00BF518),
+    const_float32(0xA041DD41),
+    const_float32(0x9FDF137B),
+    const_float32(0x201F1568),
+    const_float32(0x1FC13A2E),
+    const_float32(0xA03F8F03),
+    const_float32(0x1FF4907D),
+    const_float32(0x9E6E53E4),
+    const_float32(0x1FD6D45C),
+    const_float32(0xA076EDB9),
+    const_float32(0x9FA6DE21),
+    const_float32(0x1EE69A2F),
+    const_float32(0x207F439F),
+    const_float32(0x201EC207),
+    const_float32(0x9E8BE175),
+    const_float32(0x20032C4B),
+    const_float32(0x2004DFF5),
+    const_float32(0x1E72F47A),
+    const_float32(0x1F722F22),
+    const_float32(0xA017E945),
+    const_float32(0x1F401A5B),
+    const_float32(0x9FB9A9E3),
+    const_float32(0x20744C05),
+    const_float32(0x1F773A19),
+    const_float32(0x1FFE90D5),
+    const_float32(0xA041ED22),
+    const_float32(0x1F853F3A),
+};
 #endif