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// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
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williamr@2
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// All rights reserved.
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williamr@2
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// This component and the accompanying materials are made available
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williamr@2
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// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
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williamr@2
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// which accompanies this distribution, and is available
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williamr@2
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// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
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//
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// Initial Contributors:
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williamr@2
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// Nokia Corporation - initial contribution.
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williamr@2
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//
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williamr@2
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// Contributors:
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williamr@2
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//
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// Description:
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williamr@2
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// e32\include\arm_vfp.h
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//
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//
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#ifndef __ARM_VFP_H__
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#define __ARM_VFP_H__
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#include <cpudefs.h>
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#if defined(__CPU_ARM) && defined(__CPU_HAS_VFP)
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// MRCcccc Ppppp, iii, Rdddd, Cnnnn, Cmmmm, ttt
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// cccc 1110 iii1 nnnn dddd pppp ttt1 mmmm
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williamr@2
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// MCRcccc Ppppp, iii, Rdddd, Cnnnn, Cmmmm, ttt
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williamr@2
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// cccc 1110 iii0 nnnn dddd pppp ttt1 mmmm
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williamr@2
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// CDPcccc pppp, iiii, Cdddd, Cnnnn, Cmmmm, ttt
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// cccc 1110 iiii nnnn dddd pppp ttt0 mmmm
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williamr@2
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// CDP2 pppp, iiii, Cdddd, Cnnnn, Cmmmm, ttt
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williamr@2
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// 1111 1110 iiii nnnn dddd pppp ttt0 mmmm
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// LDCcccc
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// cccc 110P UNW1 nnnn dddd pppp oooo oooo
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// STCcccc
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// cccc 110P UNW0 nnnn dddd pppp oooo oooo
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#define _MRC(cc,p,i,r,c,c2,t) asm("mrc"#cc" p"#p", "#i", r"#r", c"#c", c"#c2", "#t )
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#define _MCR(cc,p,i,r,c,c2,t) asm("mcr"#cc" p"#p", "#i", r"#r", c"#c", c"#c2", "#t )
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#define _CDP(cc,p,i,d,n,m,t) asm("cdp"#cc" p"#p", "#i", c"#d", c"#n", c"#m", "#t )
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#define _MRC(cc,p,i,r,c,c2,t) asm("mrc"#cc" p"#p", "#i", r"#r", c"#c", c"#c2", "#t )
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#define _MCR(cc,p,i,r,c,c2,t) asm("mcr"#cc" p"#p", "#i", r"#r", c"#c", c"#c2", "#t )
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#define _CDPS(cc,p,i,d,n,m,t) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((p)<<8)|((i)<<20)|((t)<<5)| \
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(((d)>>1)<<12)|(((n)>>1)<<16)|((m)>>1)| \
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(((d)&1)<<22)|(((n)&1)<<7)|(((m)&1)<<5)| \
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0x0e000000 ))
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#define VFP_CPID_S 10 // coprocessor ID for single precision
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#define VFP_CPID_D 11 // coprocessor ID for double precision
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#define VFP_XREG_FPSID 0
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#define VFP_XREG_FPSCR 1
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#define VFP_XREG_FPEXC 8
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#define VFP_XREG_FPINST 9
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#define VFP_XREG_FPINST2 10
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#define VFP_FPSID_IMP_SHIFT 24
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#define VFP_FPSID_IMP_MASK (255u<<VFP_FPSID_IMP_SHIFT)
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#define VFP_FPSID_SW 0x00800000 // software emulation
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#define VFP_FPSID_FMT_SHIFT 21
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#define VFP_FPSID_FMT_MASK (3<<VFP_FPSID_FMT_SHIFT)
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#define VFP_FPSID_FMT1 0x00000000 // FLDMX/FSTMX format 1
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#define VFP_FPSID_FMT2 0x00200000 // FLDMX/FSTMX format 2
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#define VFP_FPSID_SNG 0x00100000 // single precision only
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#define VFP_FPSID_ARCH_SHIFT 16
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#define VFP_FPSID_ARCH_MASK (15<<VFP_FPSID_ARCH_SHIFT)
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#define VFP_FPSID_PART_SHIFT 8
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#define VFP_FPSID_PART_MASK (255<<VFP_FPSID_PART_SHIFT)
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#define VFP_FPSID_VAR_SHIFT 4
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#define VFP_FPSID_VAR_MASK (15<<VFP_FPSID_VAR_SHIFT)
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#define VFP_FPSID_REV_MASK 15
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#define VFP_FPSCR_N 0x80000000 // less than
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#define VFP_FPSCR_Z 0x40000000 // equal
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#define VFP_FPSCR_C 0x20000000 // equal greater or unordered
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#define VFP_FPSCR_V 0x10000000 // unordered
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#define VFP_FPSCR_DN 0x02000000 // enable default NAN mode
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#define VFP_FPSCR_FZ 0x01000000 // enable flush to zero mode
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#define VFP_FPSCR_RMODE_SHIFT 22
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#define VFP_FPSCR_RMODE_MASK (3<<VFP_FPSCR_RMODE_SHIFT)
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#define VFP_FPSCR_RMODE_NEAR 0x00000000 // round to nearest
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#define VFP_FPSCR_RMODE_PLUS 0x00400000 // round up
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#define VFP_FPSCR_RMODE_MINUS 0x00800000 // round down
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#define VFP_FPSCR_RMODE_ZERO 0x00C00000 // round towards zero
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#define VFP_FPSCR_STRIDE_SHIFT 20
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#define VFP_FPSCR_STRIDE_MASK (3<<VFP_FPSCR_STRIDE_SHIFT)
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#define VFP_FPSCR_LEN_SHIFT 16
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#define VFP_FPSCR_LEN_MASK (7<<VFP_FPSCR_LEN_SHIFT)
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#define VFP_FPSCR_IDE 0x00008000 // enable input subnormal exception
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#define VFP_FPSCR_IXE 0x00001000 // enable inexact exception
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#define VFP_FPSCR_UFE 0x00000800 // enable underflow exception
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#define VFP_FPSCR_OFE 0x00000400 // enable overflow exception
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#define VFP_FPSCR_DZE 0x00000200 // enable division by zero exception
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#define VFP_FPSCR_IOE 0x00000100 // enable invalid operation exception
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#define VFP_FPSCR_IDC 0x00000080 // input subnormal cumulative flag
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#define VFP_FPSCR_IXC 0x00000010 // inexact cumulative flag
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#define VFP_FPSCR_UFC 0x00000008 // underflow cumulative flag
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#define VFP_FPSCR_OFC 0x00000004 // overflow cumulative flag
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#define VFP_FPSCR_DZC 0x00000002 // division by zero cumulative flag
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#define VFP_FPSCR_IOC 0x00000001 // invalid operation cumulative flag
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#define VFP_FPSCR_RUNFAST (VFP_FPSCR_DN|VFP_FPSCR_FZ)
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#define VFP_FPSCR_IEEE_NO_EXC 0
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#define VFP_FPSCR_EXCEPTIONS (VFP_FPSCR_IDE|VFP_FPSCR_IXE|VFP_FPSCR_UFE|VFP_FPSCR_OFE|VFP_FPSCR_DZE|VFP_FPSCR_IOE)
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#define VFP_FPSCR_MODE_MASK (VFP_FPSCR_EXCEPTIONS|VFP_FPSCR_RUNFAST|VFP_FPSCR_RMODE_MASK)
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#define VFP_FPEXC_EX 0x80000000 // exceptional state
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#define VFP_FPEXC_EN 0x40000000 // enable VFP
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#define VFP_FPEXC_FP2V 0x10000000 // FPINST2 register valid
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#define VFP_FPEXC_VECITR_SHIFT 8
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#define VFP_FPEXC_VECITR_MASK (7<<VFP_FPEXC_VECITR_SHIFT) // (remaining iterations - 1) mod 7
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#define VFP_FPEXC_INV 0x00000080 // input exception flag (subnormal or NaN)
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#define VFP_FPEXC_UFC 0x00000008 // underflow cumulative flag
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#define VFP_FPEXC_OFC 0x00000004 // overflow cumulative flag
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#define VFP_FPEXC_IOC 0x00000001 // invalid operation cumulative flag
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#define VFP_FPEXC_INIT (VFP_FPEXC_EN|VFP_FPEXC_VECITR_MASK)
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#define VFP_FPEXC_THRD_INIT (VFP_FPEXC_VECITR_MASK)
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#define VFP_FMRX(cc,Rd,reg) _MRC(cc,10,7,Rd,reg,0,0)
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#define VFP_FMXR(cc,reg,Rd) _MCR(cc,10,7,Rd,reg,0,0)
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// VFPv3 adds D16-D31 extra double precision registers in previously UNDEF opcodes
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#define _VFP_DN(Dn) (((Dn)>=16) ? ((Dn)-16) : (Dn))
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#define _VFP_U(Dn) (((Dn)>=16) ? 1 : 0)
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#define _VFP_D(Dn) (_VFP_U(Dn)<<22)
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#define _VFP_N(Dn) (_VFP_U(Dn)<<7)
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#define VFP_FLDMIAX(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0c900b00 )) )
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#define VFP_FSTMIAX(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0c800b00 )) )
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#define VFP_FLDMIAXW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0cb00b00 )) )
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#define VFP_FSTMIAXW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0ca00b00 )) )
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#define VFP_FLDMDBXW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0d300b00 )) )
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#define VFP_FSTMDBXW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0d200b00 )) )
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#define VFP_FMDLR(cc,Dn,Rd) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rd)<<12)|(_VFP_DN(Dn)<<16)|_VFP_N(Dn)|0x0e000b10 )) )
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#define VFP_FMDHR(cc,Dn,Rd) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rd)<<12)|(_VFP_DN(Dn)<<16)|_VFP_N(Dn)|0x0e200b10 )) )
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#define VFP_FMRDL(cc,Rd,Dn) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rd)<<12)|(_VFP_DN(Dn)<<16)|_VFP_N(Dn)|0x0e100b10 )) )
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#define VFP_FMRDH(cc,Rd,Dn) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rd)<<12)|(_VFP_DN(Dn)<<16)|_VFP_N(Dn)|0x0e300b10 )) )
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#ifdef __CPU_ARM_HAS_MCRR
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#define VFP_FMRRD(cc,Rd,Rn,Dm) MRRCcc(cc,11,1,Rd,Rn,Dm)
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#define VFP_FMDRR(cc,Dm,Rd,Rn) MCRRcc(cc,11,1,Rd,Rn,Dm)
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#endif
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// MRCcccc Ppppp, iii, Rdddd, Cnnnn, Cmmmm, ttt
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// cccc 1110 iii1 nnnn dddd pppp ttt1 mmmm
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// MCRcccc Ppppp, iii, Rdddd, Cnnnn, Cmmmm, ttt
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// cccc 1110 iii0 nnnn dddd pppp ttt1 mmmm
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// CDPcccc pppp, iiii, Cdddd, Cnnnn, Cmmmm, ttt
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// cccc 1110 iiii nnnn dddd pppp ttt0 mmmm
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#define VFP_FABSD(cc,Dd,Dm) _CDP(cc,11,11,Dd,0,Dm,6)
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#define VFP_FADDD(cc,Dd,Dn,Dm) _CDP(cc,11,3,Dd,Dn,Dm,0)
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#define VFP_FCMPD(cc,Dd,Dm) _CDP(cc,11,11,Dd,4,Dm,2)
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#define VFP_FCMPED(cc,Dd,Dm) _CDP(cc,11,11,Dd,4,Dm,6)
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#define VFP_FCMPEZD(cc,Dd) _CDP(cc,11,11,Dd,5,0,6)
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#define VFP_FCMPZD(cc,Dd) _CDP(cc,11,11,Dd,5,0,2)
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#define VFP_FCPYD(cc,Dd,Dm) _CDP(cc,11,11,Dd,0,Dm,2)
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#define VFP_FDIVD(cc,Dd,Dn,Dm) _CDP(cc,11,8,Dd,Dn,Dm,0)
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#define VFP_FMACD(cc,Dd,Dn,Dm) _CDP(cc,11,0,Dd,Dn,Dm,0)
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#define VFP_FMSCD(cc,Dd,Dn,Dm) _CDP(cc,11,1,Dd,Dn,Dm,0)
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#define VFP_FMULD(cc,Dd,Dn,Dm) _CDP(cc,11,2,Dd,Dn,Dm,0)
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#define VFP_FNEGD(cc,Dd,Dm) _CDP(cc,11,11,Dd,1,Dm,2)
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#define VFP_FNMACD(cc,Dd,Dn,Dm) _CDP(cc,11,0,Dd,Dn,Dm,2)
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#define VFP_FNMSCD(cc,Dd,Dn,Dm) _CDP(cc,11,1,Dd,Dn,Dm,2)
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#define VFP_FNMULD(cc,Dd,Dn,Dm) _CDP(cc,11,2,Dd,Dn,Dm,2)
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#define VFP_FSQRTD(cc,Dd,Dm) _CDP(cc,11,11,Dd,1,Dm,6)
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#define VFP_FSUBD(cc,Dd,Dn,Dm) _CDP(cc,11,3,Dd,Dn,Dm,2)
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#define VFP_FMSTAT(cc) _MRC(cc,10,7,15,1,0,0)
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#define _VFP_ADDR_U(off) ((off)>=0 ? 1 : 0)
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#define _VFP_ADDR_O(off) ((off)>=0 ? (off) : -(off))
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#define VFP_FLDD(cc,Dd,Rn,off) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Dd)<<12)|((Rn)<<16)|(_VFP_ADDR_U(off)<<23)|_VFP_ADDR_O(off)|0x0d100b00))
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williamr@2
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#define VFP_FSTD(cc,Dd,Rn,off) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Dd)<<12)|((Rn)<<16)|(_VFP_ADDR_U(off)<<23)|_VFP_ADDR_O(off)|0x0d000b00))
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williamr@2
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#define VFP_FLDMIAD(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0c900b00 )) )
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williamr@2
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#define VFP_FSTMIAD(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0c800b00 )) )
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williamr@2
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#define VFP_FLDMIADW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0cb00b00 )) )
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williamr@2
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#define VFP_FSTMIADW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0ca00b00 )) )
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williamr@2
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#define VFP_FLDMDBDW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0d300b00 )) )
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williamr@2
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#define VFP_FSTMDBDW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0d200b00 )) )
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williamr@2
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183 |
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williamr@2
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#define VFP_FABSS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,0,Sm,6)
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williamr@2
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#define VFP_FADDS(cc,Sd,Sn,Sm) _CDPS(cc,10,3,Sd,Sn,Sm,0)
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williamr@2
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186 |
#define VFP_FCMPS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,8,Sm,2)
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williamr@2
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#define VFP_FCMPES(cc,Sd,Sm) _CDPS(cc,10,11,Sd,8,Sm,6)
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williamr@2
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#define VFP_FCMPEZS(cc,Sd) _CDPS(cc,10,11,Sd,11,0,6)
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williamr@2
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#define VFP_FCMPZS(cc,Sd) _CDPS(cc,10,11,Sd,10,0,2)
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#define VFP_FCPYS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,0,Sm,2)
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#define VFP_FDIVS(cc,Sd,Sn,Sm) _CDPS(cc,10,8,Sd,Sn,Sm,0)
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#define VFP_FMACS(cc,Sd,Sn,Sm) _CDPS(cc,10,0,Sd,Sn,Sm,0)
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williamr@2
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#define VFP_FMSCS(cc,Sd,Sn,Sm) _CDPS(cc,10,1,Sd,Sn,Sm,0)
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williamr@2
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#define VFP_FMULS(cc,Sd,Sn,Sm) _CDPS(cc,10,2,Sd,Sn,Sm,0)
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williamr@2
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#define VFP_FNEGS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,2,Sm,2)
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#define VFP_FNMACS(cc,Sd,Sn,Sm) _CDPS(cc,10,0,Sd,Sn,Sm,2)
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#define VFP_FNMSCS(cc,Sd,Sn,Sm) _CDPS(cc,10,1,Sd,Sn,Sm,2)
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#define VFP_FNMULS(cc,Sd,Sn,Sm) _CDPS(cc,10,2,Sd,Sn,Sm,2)
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williamr@2
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#define VFP_FSQRTS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,3,Sm,6)
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williamr@2
|
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#define VFP_FSUBS(cc,Sd,Sn,Sm) _CDPS(cc,10,3,Sd,Sn,Sm,2)
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williamr@2
|
201 |
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williamr@2
|
202 |
#define VFP_FLDS(cc,Sd,Rn,off) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|((Rn)<<16)|(_VFP_ADDR_U(off)<<23)|_VFP_ADDR_O(off)|0x0d100a00))
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williamr@2
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203 |
#define VFP_FSTS(cc,Sd,Rn,off) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|((Rn)<<16)|(_VFP_ADDR_U(off)<<23)|_VFP_ADDR_O(off)|0x0d000a00))
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williamr@2
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204 |
#define VFP_FLDMIAS(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0c900a00 )) )
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williamr@2
|
205 |
#define VFP_FSTMIAS(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0c800a00 )) )
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williamr@2
|
206 |
#define VFP_FLDMIASW(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0cb00a00 )) )
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williamr@2
|
207 |
#define VFP_FSTMIASW(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0ca00a00 )) )
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williamr@2
|
208 |
#define VFP_FLDMDBSW(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0d300a00 )) )
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williamr@2
|
209 |
#define VFP_FSTMDBSW(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0d200a00 )) )
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williamr@2
|
210 |
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williamr@2
|
211 |
#define VFP_FMSR(cc,Sn,Rd) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sn)>>1)<<16)|(((Sn)&1)<<7)|((Rd)<<12)|0x0e000a10))
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williamr@2
|
212 |
#define VFP_FMRS(cc,Rd,Sn) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sn)>>1)<<16)|(((Sn)&1)<<7)|((Rd)<<12)|0x0e100a10))
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williamr@2
|
213 |
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williamr@2
|
214 |
#define VFP_FCVTDS(cc,Dd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|((Dd)<<12)|0x0eb70ac0))
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williamr@2
|
215 |
#define VFP_FCVTSD(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0eb70bc0))
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williamr@2
|
216 |
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williamr@2
|
217 |
#define VFP_FSITOD(cc,Dd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|((Dd)<<12)|0x0eb80bc0))
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williamr@2
|
218 |
#define VFP_FSITOS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0eb80ac0))
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williamr@2
|
219 |
#define VFP_FTOSID(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0ebd0b40))
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williamr@2
|
220 |
#define VFP_FTOSIZD(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0ebd0bc0))
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williamr@2
|
221 |
#define VFP_FTOSIS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0ebd0a40))
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williamr@2
|
222 |
#define VFP_FTOSIZS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0ebd0ac0))
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williamr@2
|
223 |
#define VFP_FUITOD(cc,Dd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|((Dd)<<12)|0x0eb80b40))
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williamr@2
|
224 |
#define VFP_FUITOS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0eb80a40))
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williamr@2
|
225 |
#define VFP_FTOUID(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0ebc0b40))
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williamr@2
|
226 |
#define VFP_FTOUIZD(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0ebc0bc0))
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williamr@2
|
227 |
#define VFP_FTOUIS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0ebc0a40))
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williamr@2
|
228 |
#define VFP_FTOUIZS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0ebc0ac0))
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williamr@2
|
229 |
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williamr@2
|
230 |
// VFPv3
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williamr@2
|
231 |
// conversion between floating point and fixed point
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|
williamr@2
|
232 |
#define _VFP_VCVT_D(dp,d) ( (dp) ? ( (((d)>>4)<<22)|(((d)&0xf)<<12) ) : ( (((d)&1)<<22)|(((d)>>1)<<12) ) )
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williamr@2
|
233 |
#define _VFP_I_IMM4(sx,fbits) (((sx)==0 ? 16 : 32) - (fbits))
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williamr@2
|
234 |
#define _VFP_VCVT_FBITS(sx,fbits) ( ((_VFP_I_IMM4(sx,fbits)&1) <<5) | (_VFP_I_IMM4(sx,fbits)>>1) )
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williamr@2
|
235 |
#define VFP_VCT(cc,op,sf,U,sx,d,fbits) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((op)<<18)|((U)<<16)|((sf)<<8)|((sx)<<7)|_VFP_VCVT_D(sf,d)|_VFP_VCVT_FBITS(sx,fbits)|0x0eba0a40))
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williamr@2
|
236 |
// from fixed to floating point
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|
williamr@2
|
237 |
// S32=>F64
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|
williamr@2
|
238 |
#define VFP_VCT_F64_S32(cc,Dd,fbits) VFP_VCT((cc),0,1,0,1,(Dd),(fbits))
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williamr@2
|
239 |
// S32=>F32
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|
williamr@2
|
240 |
#define VFP_VCT_F32_S32(cc,Sd,fbits) VFP_VCT((cc),0,0,0,1,(Sd),(fbits))
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williamr@2
|
241 |
// from floating point to fix
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|
williamr@2
|
242 |
// F64=>S32
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|
williamr@2
|
243 |
#define VFP_VCT_S32_F64(cc,Dd,fbits) VFP_VCT((cc),1,1,0,1,(Dd),(fbits))
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williamr@2
|
244 |
// F32=>S32
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|
williamr@2
|
245 |
#define VFP_VCT_S32_F32(cc,Sd,fbits) VFP_VCT((cc),1,0,0,1,(Sd),(fbits))
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williamr@2
|
246 |
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williamr@2
|
247 |
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williamr@2
|
248 |
// put immediate value to the register
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|
williamr@2
|
249 |
// single_register=(sz==0)
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|
williamr@2
|
250 |
// imm (abcdefgh)
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williamr@2
|
251 |
/*
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|
williamr@2
|
252 |
bcd 000 001 010 011 100 101 110 111
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|
williamr@2
|
253 |
efgh
|
|
williamr@2
|
254 |
0000 2.0 4.0 8.0 16.0 0.125 0.25 0.5 1.0
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|
williamr@2
|
255 |
0001 2.125 4.25 8.5 17.0 0.1328125 0.265625 0.53125 1.0625
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|
williamr@2
|
256 |
0010 2.25 4.5 9.0 18.0 0.140625 0.28125 0.5625 1.125
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williamr@2
|
257 |
0011 2.375 4.75 9.5 19.0 0.1484375 0.296875 0.59375 1.1875
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|
williamr@2
|
258 |
0100 2.5 5.0 10.0 20.0 0.15625 0.3125 0.625 1.25
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|
williamr@2
|
259 |
0101 2.625 5.25 10.5 21.0 0.1640625 0.328125 0.65625 1.3125
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|
williamr@2
|
260 |
0110 2.75 5.5 11.0 22.0 0.171875 0.34375 0.6875 1.375
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williamr@2
|
261 |
0111 2.875 5.75 11.5 23.0 0.1796875 0.359375 0.71875 1.4375
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|
williamr@2
|
262 |
1000 3.0 6.0 12.0 24.0 0.1875 0.375 0.75 1.5
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|
williamr@2
|
263 |
1001 3.125 6.25 12.5 25.0 0.1953125 0.390625 0.78125 1.5625
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|
williamr@2
|
264 |
1010 3.25 6.5 13.0 26.0 0.203125 0.40625 0.8125 1.625
|
|
williamr@2
|
265 |
1011 3.375 6.75 13.5 27.0 0.2109375 0.421875 0.84375 1.6875
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|
williamr@2
|
266 |
1100 3.5 7.0 14.0 28.0 0.21875 0.4375 0.875 1.75
|
|
williamr@2
|
267 |
1101 3.625 7.25 14.5 29.0 0.2265625 0.453125 0.90625 1.8125
|
|
williamr@2
|
268 |
1110 3.75 7.5 15.0 30.0 0.234375 0.46875 0.9375 1.875
|
|
williamr@2
|
269 |
1111 3.875 7.75 15.5 31.0 0.2421875 0.484375 0.96875 1.9375
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williamr@2
|
270 |
*/
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|
williamr@2
|
271 |
|
|
williamr@2
|
272 |
#define VFP_VMOV_IMM(cc,sz,d,imm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((imm)>>4)<<16)|((imm)&0xf)|(sz)<<8|((sz)?((((d)>>4)<<22)|(((d)&0xf)<<12)):((((d)&1)<<22)|(((d)>>1)<<12)))|0x0eb00a00))
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williamr@2
|
273 |
|
|
williamr@2
|
274 |
#endif
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|
williamr@2
|
275 |
#endif
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