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-rw-r--r--ANDROID_3.4.5/arch/parisc/math-emu/sgl_float.h486
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diff --git a/ANDROID_3.4.5/arch/parisc/math-emu/sgl_float.h b/ANDROID_3.4.5/arch/parisc/math-emu/sgl_float.h
deleted file mode 100644
index 4ee4cc95..00000000
--- a/ANDROID_3.4.5/arch/parisc/math-emu/sgl_float.h
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@@ -1,486 +0,0 @@
-/*
- * Linux/PA-RISC Project (http://www.parisc-linux.org/)
- *
- * Floating-point emulation code
- * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.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, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifdef __NO_PA_HDRS
- PA header file -- do not include this header file for non-PA builds.
-#endif
-
-/* 32-bit word grabbing functions */
-#define Sgl_firstword(value) Sall(value)
-#define Sgl_secondword(value) dummy_location
-#define Sgl_thirdword(value) dummy_location
-#define Sgl_fourthword(value) dummy_location
-
-#define Sgl_sign(object) Ssign(object)
-#define Sgl_exponent(object) Sexponent(object)
-#define Sgl_signexponent(object) Ssignexponent(object)
-#define Sgl_mantissa(object) Smantissa(object)
-#define Sgl_exponentmantissa(object) Sexponentmantissa(object)
-#define Sgl_all(object) Sall(object)
-
-/* sgl_and_signs ANDs the sign bits of each argument and puts the result
- * into the first argument. sgl_or_signs ors those same sign bits */
-#define Sgl_and_signs( src1dst, src2) \
- Sall(src1dst) = (Sall(src2)|~((unsigned int)1<<31)) & Sall(src1dst)
-#define Sgl_or_signs( src1dst, src2) \
- Sall(src1dst) = (Sall(src2)&((unsigned int)1<<31)) | Sall(src1dst)
-
-/* The hidden bit is always the low bit of the exponent */
-#define Sgl_clear_exponent_set_hidden(srcdst) Deposit_sexponent(srcdst,1)
-#define Sgl_clear_signexponent_set_hidden(srcdst) \
- Deposit_ssignexponent(srcdst,1)
-#define Sgl_clear_sign(srcdst) Sall(srcdst) &= ~((unsigned int)1<<31)
-#define Sgl_clear_signexponent(srcdst) Sall(srcdst) &= 0x007fffff
-
-/* varamount must be less than 32 for the next three functions */
-#define Sgl_rightshift(srcdst, varamount) \
- Sall(srcdst) >>= varamount
-#define Sgl_leftshift(srcdst, varamount) \
- Sall(srcdst) <<= varamount
-#define Sgl_rightshift_exponentmantissa(srcdst, varamount) \
- Sall(srcdst) = \
- (Sexponentmantissa(srcdst) >> varamount) | \
- (Sall(srcdst) & ((unsigned int)1<<31))
-
-#define Sgl_leftshiftby1_withextent(left,right,result) \
- Shiftdouble(Sall(left),Extall(right),31,Sall(result))
-
-#define Sgl_rightshiftby1_withextent(left,right,dst) \
- Shiftdouble(Sall(left),Extall(right),1,Extall(right))
-#define Sgl_arithrightshiftby1(srcdst) \
- Sall(srcdst) = (int)Sall(srcdst) >> 1
-
-/* Sign extend the sign bit with an integer destination */
-#define Sgl_signextendedsign(value) Ssignedsign(value)
-
-#define Sgl_isone_hidden(sgl_value) (Shidden(sgl_value))
-#define Sgl_increment(sgl_value) Sall(sgl_value) += 1
-#define Sgl_increment_mantissa(sgl_value) \
- Deposit_smantissa(sgl_value,sgl_value+1)
-#define Sgl_decrement(sgl_value) Sall(sgl_value) -= 1
-
-#define Sgl_isone_sign(sgl_value) (Is_ssign(sgl_value)!=0)
-#define Sgl_isone_hiddenoverflow(sgl_value) \
- (Is_shiddenoverflow(sgl_value)!=0)
-#define Sgl_isone_lowmantissa(sgl_value) (Is_slow(sgl_value)!=0)
-#define Sgl_isone_signaling(sgl_value) (Is_ssignaling(sgl_value)!=0)
-#define Sgl_is_signalingnan(sgl_value) (Ssignalingnan(sgl_value)==0x1ff)
-#define Sgl_isnotzero(sgl_value) (Sall(sgl_value)!=0)
-#define Sgl_isnotzero_hiddenhigh7mantissa(sgl_value) \
- (Shiddenhigh7mantissa(sgl_value)!=0)
-#define Sgl_isnotzero_low4(sgl_value) (Slow4(sgl_value)!=0)
-#define Sgl_isnotzero_exponent(sgl_value) (Sexponent(sgl_value)!=0)
-#define Sgl_isnotzero_mantissa(sgl_value) (Smantissa(sgl_value)!=0)
-#define Sgl_isnotzero_exponentmantissa(sgl_value) \
- (Sexponentmantissa(sgl_value)!=0)
-#define Sgl_iszero(sgl_value) (Sall(sgl_value)==0)
-#define Sgl_iszero_signaling(sgl_value) (Is_ssignaling(sgl_value)==0)
-#define Sgl_iszero_hidden(sgl_value) (Is_shidden(sgl_value)==0)
-#define Sgl_iszero_hiddenoverflow(sgl_value) \
- (Is_shiddenoverflow(sgl_value)==0)
-#define Sgl_iszero_hiddenhigh3mantissa(sgl_value) \
- (Shiddenhigh3mantissa(sgl_value)==0)
-#define Sgl_iszero_hiddenhigh7mantissa(sgl_value) \
- (Shiddenhigh7mantissa(sgl_value)==0)
-#define Sgl_iszero_sign(sgl_value) (Is_ssign(sgl_value)==0)
-#define Sgl_iszero_exponent(sgl_value) (Sexponent(sgl_value)==0)
-#define Sgl_iszero_mantissa(sgl_value) (Smantissa(sgl_value)==0)
-#define Sgl_iszero_exponentmantissa(sgl_value) \
- (Sexponentmantissa(sgl_value)==0)
-#define Sgl_isinfinity_exponent(sgl_value) \
- (Sgl_exponent(sgl_value)==SGL_INFINITY_EXPONENT)
-#define Sgl_isnotinfinity_exponent(sgl_value) \
- (Sgl_exponent(sgl_value)!=SGL_INFINITY_EXPONENT)
-#define Sgl_isinfinity(sgl_value) \
- (Sgl_exponent(sgl_value)==SGL_INFINITY_EXPONENT && \
- Sgl_mantissa(sgl_value)==0)
-#define Sgl_isnan(sgl_value) \
- (Sgl_exponent(sgl_value)==SGL_INFINITY_EXPONENT && \
- Sgl_mantissa(sgl_value)!=0)
-#define Sgl_isnotnan(sgl_value) \
- (Sgl_exponent(sgl_value)!=SGL_INFINITY_EXPONENT || \
- Sgl_mantissa(sgl_value)==0)
-#define Sgl_islessthan(sgl_op1,sgl_op2) \
- (Sall(sgl_op1) < Sall(sgl_op2))
-#define Sgl_isgreaterthan(sgl_op1,sgl_op2) \
- (Sall(sgl_op1) > Sall(sgl_op2))
-#define Sgl_isnotlessthan(sgl_op1,sgl_op2) \
- (Sall(sgl_op1) >= Sall(sgl_op2))
-#define Sgl_isequal(sgl_op1,sgl_op2) \
- (Sall(sgl_op1) == Sall(sgl_op2))
-
-#define Sgl_leftshiftby8(sgl_value) \
- Sall(sgl_value) <<= 8
-#define Sgl_leftshiftby4(sgl_value) \
- Sall(sgl_value) <<= 4
-#define Sgl_leftshiftby3(sgl_value) \
- Sall(sgl_value) <<= 3
-#define Sgl_leftshiftby2(sgl_value) \
- Sall(sgl_value) <<= 2
-#define Sgl_leftshiftby1(sgl_value) \
- Sall(sgl_value) <<= 1
-#define Sgl_rightshiftby1(sgl_value) \
- Sall(sgl_value) >>= 1
-#define Sgl_rightshiftby4(sgl_value) \
- Sall(sgl_value) >>= 4
-#define Sgl_rightshiftby8(sgl_value) \
- Sall(sgl_value) >>= 8
-
-#define Sgl_ismagnitudeless(signlessleft,signlessright) \
-/* unsigned int signlessleft, signlessright; */ \
- (signlessleft < signlessright)
-
-
-#define Sgl_copytoint_exponentmantissa(source,dest) \
- dest = Sexponentmantissa(source)
-
-/* A quiet NaN has the high mantissa bit clear and at least on other (in this
- * case the adjacent bit) bit set. */
-#define Sgl_set_quiet(sgl_value) Deposit_shigh2mantissa(sgl_value,1)
-#define Sgl_set_exponent(sgl_value,exp) Deposit_sexponent(sgl_value,exp)
-
-#define Sgl_set_mantissa(dest,value) Deposit_smantissa(dest,value)
-#define Sgl_set_exponentmantissa(dest,value) \
- Deposit_sexponentmantissa(dest,value)
-
-/* An infinity is represented with the max exponent and a zero mantissa */
-#define Sgl_setinfinity_exponent(sgl_value) \
- Deposit_sexponent(sgl_value,SGL_INFINITY_EXPONENT)
-#define Sgl_setinfinity_exponentmantissa(sgl_value) \
- Deposit_sexponentmantissa(sgl_value, \
- (SGL_INFINITY_EXPONENT << (32-(1+SGL_EXP_LENGTH))))
-#define Sgl_setinfinitypositive(sgl_value) \
- Sall(sgl_value) = (SGL_INFINITY_EXPONENT << (32-(1+SGL_EXP_LENGTH)))
-#define Sgl_setinfinitynegative(sgl_value) \
- Sall(sgl_value) = (SGL_INFINITY_EXPONENT << (32-(1+SGL_EXP_LENGTH))) \
- | ((unsigned int)1<<31)
-#define Sgl_setinfinity(sgl_value,sign) \
- Sall(sgl_value) = (SGL_INFINITY_EXPONENT << (32-(1+SGL_EXP_LENGTH))) | \
- ((unsigned int)sign << 31)
-#define Sgl_sethigh4bits(sgl_value, extsign) \
- Deposit_shigh4(sgl_value,extsign)
-#define Sgl_set_sign(sgl_value,sign) Deposit_ssign(sgl_value,sign)
-#define Sgl_invert_sign(sgl_value) \
- Deposit_ssign(sgl_value,~Ssign(sgl_value))
-#define Sgl_setone_sign(sgl_value) Deposit_ssign(sgl_value,1)
-#define Sgl_setone_lowmantissa(sgl_value) Deposit_slow(sgl_value,1)
-#define Sgl_setzero_sign(sgl_value) Sall(sgl_value) &= 0x7fffffff
-#define Sgl_setzero_exponent(sgl_value) Sall(sgl_value) &= 0x807fffff
-#define Sgl_setzero_mantissa(sgl_value) Sall(sgl_value) &= 0xff800000
-#define Sgl_setzero_exponentmantissa(sgl_value) Sall(sgl_value) &= 0x80000000
-#define Sgl_setzero(sgl_value) Sall(sgl_value) = 0
-#define Sgl_setnegativezero(sgl_value) Sall(sgl_value) = (unsigned int)1 << 31
-
-/* Use following macro for both overflow & underflow conditions */
-#define ovfl -
-#define unfl +
-#define Sgl_setwrapped_exponent(sgl_value,exponent,op) \
- Deposit_sexponent(sgl_value,(exponent op SGL_WRAP))
-
-#define Sgl_setlargestpositive(sgl_value) \
- Sall(sgl_value) = ((SGL_EMAX+SGL_BIAS) << (32-(1+SGL_EXP_LENGTH))) \
- | ((1<<(32-(1+SGL_EXP_LENGTH))) - 1 )
-#define Sgl_setlargestnegative(sgl_value) \
- Sall(sgl_value) = ((SGL_EMAX+SGL_BIAS) << (32-(1+SGL_EXP_LENGTH))) \
- | ((1<<(32-(1+SGL_EXP_LENGTH))) - 1 ) \
- | ((unsigned int)1<<31)
-
-#define Sgl_setnegativeinfinity(sgl_value) \
- Sall(sgl_value) = \
- ((1<<SGL_EXP_LENGTH) | SGL_INFINITY_EXPONENT) << (32-(1+SGL_EXP_LENGTH))
-#define Sgl_setlargest(sgl_value,sign) \
- Sall(sgl_value) = (unsigned int)sign << 31 | \
- (((SGL_EMAX+SGL_BIAS) << (32-(1+SGL_EXP_LENGTH))) \
- | ((1 << (32-(1+SGL_EXP_LENGTH))) - 1 ))
-#define Sgl_setlargest_exponentmantissa(sgl_value) \
- Sall(sgl_value) = Sall(sgl_value) & ((unsigned int)1<<31) | \
- (((SGL_EMAX+SGL_BIAS) << (32-(1+SGL_EXP_LENGTH))) \
- | ((1 << (32-(1+SGL_EXP_LENGTH))) - 1 ))
-
-/* The high bit is always zero so arithmetic or logical shifts will work. */
-#define Sgl_right_align(srcdst,shift,extent) \
- /* sgl_floating_point srcdst; int shift; extension extent */ \
- if (shift < 32) { \
- Extall(extent) = Sall(srcdst) << (32-(shift)); \
- Sall(srcdst) >>= shift; \
- } \
- else { \
- Extall(extent) = Sall(srcdst); \
- Sall(srcdst) = 0; \
- }
-#define Sgl_hiddenhigh3mantissa(sgl_value) Shiddenhigh3mantissa(sgl_value)
-#define Sgl_hidden(sgl_value) Shidden(sgl_value)
-#define Sgl_lowmantissa(sgl_value) Slow(sgl_value)
-
-/* The left argument is never smaller than the right argument */
-#define Sgl_subtract(sgl_left,sgl_right,sgl_result) \
- Sall(sgl_result) = Sall(sgl_left) - Sall(sgl_right)
-
-/* Subtract right augmented with extension from left augmented with zeros and
- * store into result and extension. */
-#define Sgl_subtract_withextension(left,right,extent,result) \
- /* sgl_floating_point left,right,result; extension extent */ \
- Sgl_subtract(left,right,result); \
- if((Extall(extent) = 0-Extall(extent))) \
- Sall(result) = Sall(result)-1
-
-#define Sgl_addition(sgl_left,sgl_right,sgl_result) \
- Sall(sgl_result) = Sall(sgl_left) + Sall(sgl_right)
-
-#define Sgl_xortointp1(left,right,result) \
- result = Sall(left) XOR Sall(right);
-
-#define Sgl_xorfromintp1(left,right,result) \
- Sall(result) = left XOR Sall(right)
-
-/* Need to Initialize */
-#define Sgl_makequietnan(dest) \
- Sall(dest) = ((SGL_EMAX+SGL_BIAS)+1)<< (32-(1+SGL_EXP_LENGTH)) \
- | (1<<(32-(1+SGL_EXP_LENGTH+2)))
-#define Sgl_makesignalingnan(dest) \
- Sall(dest) = ((SGL_EMAX+SGL_BIAS)+1)<< (32-(1+SGL_EXP_LENGTH)) \
- | (1<<(32-(1+SGL_EXP_LENGTH+1)))
-
-#define Sgl_normalize(sgl_opnd,exponent) \
- while(Sgl_iszero_hiddenhigh7mantissa(sgl_opnd)) { \
- Sgl_leftshiftby8(sgl_opnd); \
- exponent -= 8; \
- } \
- if(Sgl_iszero_hiddenhigh3mantissa(sgl_opnd)) { \
- Sgl_leftshiftby4(sgl_opnd); \
- exponent -= 4; \
- } \
- while(Sgl_iszero_hidden(sgl_opnd)) { \
- Sgl_leftshiftby1(sgl_opnd); \
- exponent -= 1; \
- }
-
-#define Sgl_setoverflow(sgl_opnd) \
- /* set result to infinity or largest number */ \
- switch (Rounding_mode()) { \
- case ROUNDPLUS: \
- if (Sgl_isone_sign(sgl_opnd)) { \
- Sgl_setlargestnegative(sgl_opnd); \
- } \
- else { \
- Sgl_setinfinitypositive(sgl_opnd); \
- } \
- break; \
- case ROUNDMINUS: \
- if (Sgl_iszero_sign(sgl_opnd)) { \
- Sgl_setlargestpositive(sgl_opnd); \
- } \
- else { \
- Sgl_setinfinitynegative(sgl_opnd); \
- } \
- break; \
- case ROUNDNEAREST: \
- Sgl_setinfinity_exponentmantissa(sgl_opnd); \
- break; \
- case ROUNDZERO: \
- Sgl_setlargest_exponentmantissa(sgl_opnd); \
- }
-
-#define Sgl_denormalize(opnd,exponent,guard,sticky,inexact) \
- Sgl_clear_signexponent_set_hidden(opnd); \
- if (exponent >= (1 - SGL_P)) { \
- guard = (Sall(opnd) >> -exponent) & 1; \
- if (exponent < 0) sticky |= Sall(opnd) << (32+exponent); \
- inexact = guard | sticky; \
- Sall(opnd) >>= (1-exponent); \
- } \
- else { \
- guard = 0; \
- sticky |= Sall(opnd); \
- inexact = sticky; \
- Sgl_setzero(opnd); \
- }
-
-/*
- * The fused multiply add instructions requires a single extended format,
- * with 48 bits of mantissa.
- */
-#define SGLEXT_THRESHOLD 48
-
-#define Sglext_setzero(valA,valB) \
- Sextallp1(valA) = 0; Sextallp2(valB) = 0
-
-#define Sglext_isnotzero_mantissap2(valB) (Sextallp2(valB)!=0)
-#define Sglext_isone_lowp1(val) (Sextlowp1(val)!=0)
-#define Sglext_isone_highp2(val) (Sexthighp2(val)!=0)
-#define Sglext_isnotzero_low31p2(val) (Sextlow31p2(val)!=0)
-#define Sglext_iszero(valA,valB) (Sextallp1(valA)==0 && Sextallp2(valB)==0)
-
-#define Sgl_copytoptr(src,destptr) *destptr = src
-#define Sgl_copyfromptr(srcptr,dest) dest = *srcptr
-#define Sglext_copy(srca,srcb,desta,destb) \
- Sextallp1(desta) = Sextallp1(srca); \
- Sextallp2(destb) = Sextallp2(srcb)
-#define Sgl_copyto_sglext(src1,dest1,dest2) \
- Sextallp1(dest1) = Sall(src1); Sextallp2(dest2) = 0
-
-#define Sglext_swap_lower(leftp2,rightp2) \
- Sextallp2(leftp2) = Sextallp2(leftp2) XOR Sextallp2(rightp2); \
- Sextallp2(rightp2) = Sextallp2(leftp2) XOR Sextallp2(rightp2); \
- Sextallp2(leftp2) = Sextallp2(leftp2) XOR Sextallp2(rightp2)
-
-#define Sglext_setone_lowmantissap2(value) Deposit_dlowp2(value,1)
-
-/* The high bit is always zero so arithmetic or logical shifts will work. */
-#define Sglext_right_align(srcdstA,srcdstB,shift) \
- {int shiftamt, sticky; \
- shiftamt = shift % 32; \
- sticky = 0; \
- switch (shift/32) { \
- case 0: if (shiftamt > 0) { \
- sticky = Sextallp2(srcdstB) << 32 - (shiftamt); \
- Variable_shift_double(Sextallp1(srcdstA), \
- Sextallp2(srcdstB),shiftamt,Sextallp2(srcdstB)); \
- Sextallp1(srcdstA) >>= shiftamt; \
- } \
- break; \
- case 1: if (shiftamt > 0) { \
- sticky = (Sextallp1(srcdstA) << 32 - (shiftamt)) | \
- Sextallp2(srcdstB); \
- } \
- else { \
- sticky = Sextallp2(srcdstB); \
- } \
- Sextallp2(srcdstB) = Sextallp1(srcdstA) >> shiftamt; \
- Sextallp1(srcdstA) = 0; \
- break; \
- } \
- if (sticky) Sglext_setone_lowmantissap2(srcdstB); \
- }
-
-/* The left argument is never smaller than the right argument */
-#define Sglext_subtract(lefta,leftb,righta,rightb,resulta,resultb) \
- if( Sextallp2(rightb) > Sextallp2(leftb) ) Sextallp1(lefta)--; \
- Sextallp2(resultb) = Sextallp2(leftb) - Sextallp2(rightb); \
- Sextallp1(resulta) = Sextallp1(lefta) - Sextallp1(righta)
-
-#define Sglext_addition(lefta,leftb,righta,rightb,resulta,resultb) \
- /* If the sum of the low words is less than either source, then \
- * an overflow into the next word occurred. */ \
- if ((Sextallp2(resultb) = Sextallp2(leftb)+Sextallp2(rightb)) < \
- Sextallp2(rightb)) \
- Sextallp1(resulta) = Sextallp1(lefta)+Sextallp1(righta)+1; \
- else Sextallp1(resulta) = Sextallp1(lefta)+Sextallp1(righta)
-
-
-#define Sglext_arithrightshiftby1(srcdstA,srcdstB) \
- Shiftdouble(Sextallp1(srcdstA),Sextallp2(srcdstB),1,Sextallp2(srcdstB)); \
- Sextallp1(srcdstA) = (int)Sextallp1(srcdstA) >> 1
-
-#define Sglext_leftshiftby8(valA,valB) \
- Shiftdouble(Sextallp1(valA),Sextallp2(valB),24,Sextallp1(valA)); \
- Sextallp2(valB) <<= 8
-#define Sglext_leftshiftby4(valA,valB) \
- Shiftdouble(Sextallp1(valA),Sextallp2(valB),28,Sextallp1(valA)); \
- Sextallp2(valB) <<= 4
-#define Sglext_leftshiftby3(valA,valB) \
- Shiftdouble(Sextallp1(valA),Sextallp2(valB),29,Sextallp1(valA)); \
- Sextallp2(valB) <<= 3
-#define Sglext_leftshiftby2(valA,valB) \
- Shiftdouble(Sextallp1(valA),Sextallp2(valB),30,Sextallp1(valA)); \
- Sextallp2(valB) <<= 2
-#define Sglext_leftshiftby1(valA,valB) \
- Shiftdouble(Sextallp1(valA),Sextallp2(valB),31,Sextallp1(valA)); \
- Sextallp2(valB) <<= 1
-
-#define Sglext_rightshiftby4(valueA,valueB) \
- Shiftdouble(Sextallp1(valueA),Sextallp2(valueB),4,Sextallp2(valueB)); \
- Sextallp1(valueA) >>= 4
-#define Sglext_rightshiftby3(valueA,valueB) \
- Shiftdouble(Sextallp1(valueA),Sextallp2(valueB),3,Sextallp2(valueB)); \
- Sextallp1(valueA) >>= 3
-#define Sglext_rightshiftby1(valueA,valueB) \
- Shiftdouble(Sextallp1(valueA),Sextallp2(valueB),1,Sextallp2(valueB)); \
- Sextallp1(valueA) >>= 1
-
-#define Sglext_xortointp1(left,right,result) Sgl_xortointp1(left,right,result)
-#define Sglext_xorfromintp1(left,right,result) \
- Sgl_xorfromintp1(left,right,result)
-#define Sglext_copytoint_exponentmantissa(src,dest) \
- Sgl_copytoint_exponentmantissa(src,dest)
-#define Sglext_ismagnitudeless(signlessleft,signlessright) \
- Sgl_ismagnitudeless(signlessleft,signlessright)
-
-#define Sglext_set_sign(dbl_value,sign) Sgl_set_sign(dbl_value,sign)
-#define Sglext_clear_signexponent_set_hidden(srcdst) \
- Sgl_clear_signexponent_set_hidden(srcdst)
-#define Sglext_clear_signexponent(srcdst) Sgl_clear_signexponent(srcdst)
-#define Sglext_clear_sign(srcdst) Sgl_clear_sign(srcdst)
-#define Sglext_isone_hidden(dbl_value) Sgl_isone_hidden(dbl_value)
-
-#define Sglext_denormalize(opndp1,opndp2,exponent,is_tiny) \
- {int sticky; \
- is_tiny = TRUE; \
- if (exponent == 0 && Sextallp2(opndp2)) { \
- switch (Rounding_mode()) { \
- case ROUNDPLUS: \
- if (Sgl_iszero_sign(opndp1)) \
- if (Sgl_isone_hiddenoverflow(opndp1 + 1)) \
- is_tiny = FALSE; \
- break; \
- case ROUNDMINUS: \
- if (Sgl_isone_sign(opndp1)) { \
- if (Sgl_isone_hiddenoverflow(opndp1 + 1)) \
- is_tiny = FALSE; \
- } \
- break; \
- case ROUNDNEAREST: \
- if (Sglext_isone_highp2(opndp2) && \
- (Sglext_isone_lowp1(opndp1) || \
- Sglext_isnotzero_low31p2(opndp2))) \
- if (Sgl_isone_hiddenoverflow(opndp1 + 1)) \
- is_tiny = FALSE; \
- break; \
- } \
- } \
- Sglext_clear_signexponent_set_hidden(opndp1); \
- if (exponent >= (1-DBL_P)) { \
- if (exponent >= -31) { \
- if (exponent > -31) { \
- sticky = Sextallp2(opndp2) << 31+exponent; \
- Variable_shift_double(opndp1,opndp2,1-exponent,opndp2); \
- Sextallp1(opndp1) >>= 1-exponent; \
- } \
- else { \
- sticky = Sextallp2(opndp2); \
- Sextallp2(opndp2) = Sextallp1(opndp1); \
- Sextallp1(opndp1) = 0; \
- } \
- } \
- else { \
- sticky = (Sextallp1(opndp1) << 31+exponent) | \
- Sextallp2(opndp2); \
- Sextallp2(opndp2) = Sextallp1(opndp1) >> -31-exponent; \
- Sextallp1(opndp1) = 0; \
- } \
- } \
- else { \
- sticky = Sextallp1(opndp1) | Sextallp2(opndp2); \
- Sglext_setzero(opndp1,opndp2); \
- } \
- if (sticky) Sglext_setone_lowmantissap2(opndp2); \
- exponent = 0; \
- }
generated by cgit (git 2.34.1) at 2025-02-06 22:21:44 +0000