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Diffstat (limited to 'arch/arm26/nwfpe/fpopcode.c')
-rw-r--r--arch/arm26/nwfpe/fpopcode.c148
1 files changed, 0 insertions, 148 deletions
diff --git a/arch/arm26/nwfpe/fpopcode.c b/arch/arm26/nwfpe/fpopcode.c
deleted file mode 100644
index d81ddd18832..00000000000
--- a/arch/arm26/nwfpe/fpopcode.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- NetWinder Floating Point Emulator
- (c) Rebel.COM, 1998,1999
-
- Direct questions, comments to Scott Bambrough <scottb@netwinder.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "fpa11.h"
-#include "softfloat.h"
-#include "fpopcode.h"
-#include "fpsr.h"
-#include "fpmodule.h"
-#include "fpmodule.inl"
-
-const floatx80 floatx80Constant[] = {
- { 0x0000, 0x0000000000000000ULL}, /* extended 0.0 */
- { 0x3fff, 0x8000000000000000ULL}, /* extended 1.0 */
- { 0x4000, 0x8000000000000000ULL}, /* extended 2.0 */
- { 0x4000, 0xc000000000000000ULL}, /* extended 3.0 */
- { 0x4001, 0x8000000000000000ULL}, /* extended 4.0 */
- { 0x4001, 0xa000000000000000ULL}, /* extended 5.0 */
- { 0x3ffe, 0x8000000000000000ULL}, /* extended 0.5 */
- { 0x4002, 0xa000000000000000ULL} /* extended 10.0 */
-};
-
-const float64 float64Constant[] = {
- 0x0000000000000000ULL, /* double 0.0 */
- 0x3ff0000000000000ULL, /* double 1.0 */
- 0x4000000000000000ULL, /* double 2.0 */
- 0x4008000000000000ULL, /* double 3.0 */
- 0x4010000000000000ULL, /* double 4.0 */
- 0x4014000000000000ULL, /* double 5.0 */
- 0x3fe0000000000000ULL, /* double 0.5 */
- 0x4024000000000000ULL /* double 10.0 */
-};
-
-const float32 float32Constant[] = {
- 0x00000000, /* single 0.0 */
- 0x3f800000, /* single 1.0 */
- 0x40000000, /* single 2.0 */
- 0x40400000, /* single 3.0 */
- 0x40800000, /* single 4.0 */
- 0x40a00000, /* single 5.0 */
- 0x3f000000, /* single 0.5 */
- 0x41200000 /* single 10.0 */
-};
-
-unsigned int getTransferLength(const unsigned int opcode)
-{
- unsigned int nRc;
-
- switch (opcode & MASK_TRANSFER_LENGTH)
- {
- case 0x00000000: nRc = 1; break; /* single precision */
- case 0x00008000: nRc = 2; break; /* double precision */
- case 0x00400000: nRc = 3; break; /* extended precision */
- default: nRc = 0;
- }
-
- return(nRc);
-}
-
-unsigned int getRegisterCount(const unsigned int opcode)
-{
- unsigned int nRc;
-
- switch (opcode & MASK_REGISTER_COUNT)
- {
- case 0x00000000: nRc = 4; break;
- case 0x00008000: nRc = 1; break;
- case 0x00400000: nRc = 2; break;
- case 0x00408000: nRc = 3; break;
- default: nRc = 0;
- }
-
- return(nRc);
-}
-
-unsigned int getRoundingPrecision(const unsigned int opcode)
-{
- unsigned int nRc;
-
- switch (opcode & MASK_ROUNDING_PRECISION)
- {
- case 0x00000000: nRc = 1; break;
- case 0x00000080: nRc = 2; break;
- case 0x00080000: nRc = 3; break;
- default: nRc = 0;
- }
-
- return(nRc);
-}
-
-unsigned int getDestinationSize(const unsigned int opcode)
-{
- unsigned int nRc;
-
- switch (opcode & MASK_DESTINATION_SIZE)
- {
- case 0x00000000: nRc = typeSingle; break;
- case 0x00000080: nRc = typeDouble; break;
- case 0x00080000: nRc = typeExtended; break;
- default: nRc = typeNone;
- }
-
- return(nRc);
-}
-
-/* condition code lookup table
- index into the table is test code: EQ, NE, ... LT, GT, AL, NV
- bit position in short is condition code: NZCV */
-static const unsigned short aCC[16] = {
- 0xF0F0, // EQ == Z set
- 0x0F0F, // NE
- 0xCCCC, // CS == C set
- 0x3333, // CC
- 0xFF00, // MI == N set
- 0x00FF, // PL
- 0xAAAA, // VS == V set
- 0x5555, // VC
- 0x0C0C, // HI == C set && Z clear
- 0xF3F3, // LS == C clear || Z set
- 0xAA55, // GE == (N==V)
- 0x55AA, // LT == (N!=V)
- 0x0A05, // GT == (!Z && (N==V))
- 0xF5FA, // LE == (Z || (N!=V))
- 0xFFFF, // AL always
- 0 // NV
-};
-
-unsigned int checkCondition(const unsigned int opcode, const unsigned int ccodes)
-{
- return (aCC[opcode>>28] >> (ccodes>>28)) & 1;
-}