target/m68k: implement ftwotox

Using a local m68k floatx80_twotox()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-8-laurent@vivier.eu>

1 files changed, 86 insertions, 0 deletions

diff --git a/target/m68k/softfloat_fpsp_tables.h b/target/m68k/softfloat_fpsp_tables.h
index b2b63e5ced..dd76dc0373 100644
--- a/target/m68k/softfloat_fpsp_tables.h
+++ b/target/m68k/softfloat_fpsp_tables.h
@@ -285,4 +285,90 @@ static const float32 exp_tbl2[64] = {
     const_float32(0xA041ED22),
     const_float32(0x1F853F3A),
 };
+
+static const floatx80 exp2_tbl[64] = {
+    make_floatx80_init(0x3FFF, 0x8000000000000000),
+    make_floatx80_init(0x3FFF, 0x8164D1F3BC030773),
+    make_floatx80_init(0x3FFF, 0x82CD8698AC2BA1D7),
+    make_floatx80_init(0x3FFF, 0x843A28C3ACDE4046),
+    make_floatx80_init(0x3FFF, 0x85AAC367CC487B15),
+    make_floatx80_init(0x3FFF, 0x871F61969E8D1010),
+    make_floatx80_init(0x3FFF, 0x88980E8092DA8527),
+    make_floatx80_init(0x3FFF, 0x8A14D575496EFD9A),
+    make_floatx80_init(0x3FFF, 0x8B95C1E3EA8BD6E7),
+    make_floatx80_init(0x3FFF, 0x8D1ADF5B7E5BA9E6),
+    make_floatx80_init(0x3FFF, 0x8EA4398B45CD53C0),
+    make_floatx80_init(0x3FFF, 0x9031DC431466B1DC),
+    make_floatx80_init(0x3FFF, 0x91C3D373AB11C336),
+    make_floatx80_init(0x3FFF, 0x935A2B2F13E6E92C),
+    make_floatx80_init(0x3FFF, 0x94F4EFA8FEF70961),
+    make_floatx80_init(0x3FFF, 0x96942D3720185A00),
+    make_floatx80_init(0x3FFF, 0x9837F0518DB8A96F),
+    make_floatx80_init(0x3FFF, 0x99E0459320B7FA65),
+    make_floatx80_init(0x3FFF, 0x9B8D39B9D54E5539),
+    make_floatx80_init(0x3FFF, 0x9D3ED9A72CFFB751),
+    make_floatx80_init(0x3FFF, 0x9EF5326091A111AE),
+    make_floatx80_init(0x3FFF, 0xA0B0510FB9714FC2),
+    make_floatx80_init(0x3FFF, 0xA27043030C496819),
+    make_floatx80_init(0x3FFF, 0xA43515AE09E6809E),
+    make_floatx80_init(0x3FFF, 0xA5FED6A9B15138EA),
+    make_floatx80_init(0x3FFF, 0xA7CD93B4E965356A),
+    make_floatx80_init(0x3FFF, 0xA9A15AB4EA7C0EF8),
+    make_floatx80_init(0x3FFF, 0xAB7A39B5A93ED337),
+    make_floatx80_init(0x3FFF, 0xAD583EEA42A14AC6),
+    make_floatx80_init(0x3FFF, 0xAF3B78AD690A4375),
+    make_floatx80_init(0x3FFF, 0xB123F581D2AC2590),
+    make_floatx80_init(0x3FFF, 0xB311C412A9112489),
+    make_floatx80_init(0x3FFF, 0xB504F333F9DE6484),
+    make_floatx80_init(0x3FFF, 0xB6FD91E328D17791),
+    make_floatx80_init(0x3FFF, 0xB8FBAF4762FB9EE9),
+    make_floatx80_init(0x3FFF, 0xBAFF5AB2133E45FB),
+    make_floatx80_init(0x3FFF, 0xBD08A39F580C36BF),
+    make_floatx80_init(0x3FFF, 0xBF1799B67A731083),
+    make_floatx80_init(0x3FFF, 0xC12C4CCA66709456),
+    make_floatx80_init(0x3FFF, 0xC346CCDA24976407),
+    make_floatx80_init(0x3FFF, 0xC5672A115506DADD),
+    make_floatx80_init(0x3FFF, 0xC78D74C8ABB9B15D),
+    make_floatx80_init(0x3FFF, 0xC9B9BD866E2F27A3),
+    make_floatx80_init(0x3FFF, 0xCBEC14FEF2727C5D),
+    make_floatx80_init(0x3FFF, 0xCE248C151F8480E4),
+    make_floatx80_init(0x3FFF, 0xD06333DAEF2B2595),
+    make_floatx80_init(0x3FFF, 0xD2A81D91F12AE45A),
+    make_floatx80_init(0x3FFF, 0xD4F35AABCFEDFA1F),
+    make_floatx80_init(0x3FFF, 0xD744FCCAD69D6AF4),
+    make_floatx80_init(0x3FFF, 0xD99D15C278AFD7B6),
+    make_floatx80_init(0x3FFF, 0xDBFBB797DAF23755),
+    make_floatx80_init(0x3FFF, 0xDE60F4825E0E9124),
+    make_floatx80_init(0x3FFF, 0xE0CCDEEC2A94E111),
+    make_floatx80_init(0x3FFF, 0xE33F8972BE8A5A51),
+    make_floatx80_init(0x3FFF, 0xE5B906E77C8348A8),
+    make_floatx80_init(0x3FFF, 0xE8396A503C4BDC68),
+    make_floatx80_init(0x3FFF, 0xEAC0C6E7DD24392F),
+    make_floatx80_init(0x3FFF, 0xED4F301ED9942B84),
+    make_floatx80_init(0x3FFF, 0xEFE4B99BDCDAF5CB),
+    make_floatx80_init(0x3FFF, 0xF281773C59FFB13A),
+    make_floatx80_init(0x3FFF, 0xF5257D152486CC2C),
+    make_floatx80_init(0x3FFF, 0xF7D0DF730AD13BB9),
+    make_floatx80_init(0x3FFF, 0xFA83B2DB722A033A),
+    make_floatx80_init(0x3FFF, 0xFD3E0C0CF486C175)
+};
+
+static const uint32_t exp2_tbl2[64] = {
+    0x3F738000, 0x3FBEF7CA, 0x3FBDF8A9, 0x3FBCD7C9,
+    0xBFBDE8DA, 0x3FBDE85C, 0x3FBEBBF1, 0x3FBB80CA,
+    0xBFBA8373, 0xBFBE9670, 0x3FBDB700, 0x3FBEEEB0,
+    0x3FBBFD6D, 0xBFBDB319, 0x3FBDBA2B, 0x3FBE91D5,
+    0x3FBE8D5A, 0xBFBCDE7B, 0xBFBEBAAF, 0xBFBD86DA,
+    0xBFBEBEDD, 0x3FBCC96E, 0xBFBEC90B, 0x3FBBD1DB,
+    0x3FBCE5EB, 0xBFBEC274, 0x3FBEA83C, 0x3FBECB00,
+    0x3FBE9301, 0xBFBD8367, 0xBFBEF05F, 0x3FBDFB3C,
+    0x3FBEB2FB, 0x3FBAE2CB, 0x3FBCDC3C, 0x3FBEE9AA,
+    0xBFBEAEFD, 0xBFBCBF51, 0x3FBEF88A, 0x3FBD83B2,
+    0x3FBDF8AB, 0xBFBDFB17, 0xBFBEFE3C, 0xBFBBB6F8,
+    0xBFBCEE53, 0xBFBDA4AE, 0x3FBC9124, 0x3FBEB243,
+    0x3FBDE69A, 0xBFB8BC61, 0x3FBDF610, 0xBFBD8BE1,
+    0x3FBACB12, 0x3FBB9BFE, 0x3FBCF2F4, 0x3FBEF22F,
+    0xBFBDBF4A, 0x3FBEC01A, 0x3FBE8CAC, 0xBFBCBB3F,
+    0x3FBEF73A, 0xBFB8B795, 0x3FBEF84B, 0xBFBEF581
+};
 #endif