bdiv_dbm1c.asm
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上传日期:2022-08-06
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- dnl IA-64 mpn_bdiv_dbm1.
- dnl Copyright 2008, 2009 Free Software Foundation, Inc.
- dnl This file is part of the GNU MP Library.
- dnl The GNU MP Library is free software; you can redistribute it and/or modify
- dnl it under the terms of the GNU Lesser General Public License as published
- dnl by the Free Software Foundation; either version 3 of the License, or (at
- dnl your option) any later version.
- dnl The GNU MP Library is distributed in the hope that it will be useful, but
- dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- dnl License for more details.
- dnl You should have received a copy of the GNU Lesser General Public License
- dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
- include(`../config.m4')
- C cycles/limb
- C Itanium: 4
- C Itanium 2: 2
- C TODO
- C * Optimize feed-in and wind-down code, both for speed and code size.
- C INPUT PARAMETERS
- define(`rp', `r32')
- define(`up', `r33')
- define(`n', `r34')
- define(`bd', `r35')
- ASM_START()
- PROLOGUE(mpn_bdiv_dbm1c)
- .prologue
- .save ar.lc, r2
- .body
- ifdef(`HAVE_ABI_32',
- ` addp4 rp = 0, rp C M I
- addp4 up = 0, up C M I
- zxt4 n = n C I
- ;;
- ')
- {.mmb
- mov r15 = r36 C M I
- ldf8 f9 = [up], 8 C M
- nop.b 0 C B
- }
- .Lcommon:
- {.mii
- adds r16 = -1, n C M I
- mov r2 = ar.lc C I0
- and r14 = 3, n C M I
- ;;
- }
- {.mii
- setf.sig f6 = bd C M2 M3
- shr.u r31 = r16, 2 C I0
- cmp.eq p10, p0 = 0, r14 C M I
- }
- {.mii
- nop.m 0 C M
- cmp.eq p11, p0 = 2, r14 C M I
- cmp.eq p12, p0 = 3, r14 C M I
- ;;
- }
- {.mii
- cmp.ne p6, p7 = r0, r0 C M I
- mov.i ar.lc = r31 C I0
- cmp.ne p8, p9 = r0, r0 C M I
- }
- {.bbb
- (p10) br.dptk .Lb00 C B
- (p11) br.dptk .Lb10 C B
- (p12) br.dptk .Lb11 C B
- ;;
- }
- .Lb01: br.cloop.dptk .grt1
- ;;
- xma.l f38 = f9, f6, f0
- xma.hu f39 = f9, f6, f0
- ;;
- getf.sig r26 = f38
- getf.sig r27 = f39
- br .Lcj1
- .grt1: ldf8 f10 = [r33], 8
- ;;
- ldf8 f11 = [r33], 8
- ;;
- ldf8 f12 = [r33], 8
- ;;
- xma.l f38 = f9, f6, f0
- xma.hu f39 = f9, f6, f0
- ;;
- ldf8 f13 = [r33], 8
- ;;
- xma.l f32 = f10, f6, f0
- xma.hu f33 = f10, f6, f0
- br.cloop.dptk .grt5
- ;;
- getf.sig r26 = f38
- xma.l f34 = f11, f6, f0
- xma.hu f35 = f11, f6, f0
- ;;
- getf.sig r27 = f39
- ;;
- getf.sig r20 = f32
- xma.l f36 = f12, f6, f0
- xma.hu f37 = f12, f6, f0
- ;;
- getf.sig r21 = f33
- ;;
- getf.sig r22 = f34
- xma.l f38 = f13, f6, f0
- xma.hu f39 = f13, f6, f0
- br .Lcj5
- .grt5: ldf8 f10 = [r33], 8
- ;;
- getf.sig r26 = f38
- xma.l f34 = f11, f6, f0
- xma.hu f35 = f11, f6, f0
- ;;
- getf.sig r27 = f39
- ldf8 f11 = [r33], 8
- ;;
- getf.sig r20 = f32
- xma.l f36 = f12, f6, f0
- xma.hu f37 = f12, f6, f0
- ;;
- getf.sig r21 = f33
- ldf8 f12 = [r33], 8
- ;;
- getf.sig r22 = f34
- xma.l f38 = f13, f6, f0
- xma.hu f39 = f13, f6, f0
- br .LL01
- .Lb10: ldf8 f13 = [r33], 8
- br.cloop.dptk .grt2
- ;;
- xma.l f36 = f9, f6, f0
- xma.hu f37 = f9, f6, f0
- ;;
- xma.l f38 = f13, f6, f0
- xma.hu f39 = f13, f6, f0
- ;;
- getf.sig r24 = f36
- ;;
- getf.sig r25 = f37
- ;;
- getf.sig r26 = f38
- ;;
- getf.sig r27 = f39
- br .Lcj2
- .grt2: ldf8 f10 = [r33], 8
- ;;
- ldf8 f11 = [r33], 8
- ;;
- xma.l f36 = f9, f6, f0
- xma.hu f37 = f9, f6, f0
- ;;
- ldf8 f12 = [r33], 8
- ;;
- xma.l f38 = f13, f6, f0
- xma.hu f39 = f13, f6, f0
- ;;
- ldf8 f13 = [r33], 8
- ;;
- getf.sig r24 = f36
- xma.l f32 = f10, f6, f0
- xma.hu f33 = f10, f6, f0
- br.cloop.dptk .grt6
- getf.sig r25 = f37
- ;;
- getf.sig r26 = f38
- xma.l f34 = f11, f6, f0
- xma.hu f35 = f11, f6, f0
- ;;
- getf.sig r27 = f39
- ;;
- getf.sig r20 = f32
- xma.l f36 = f12, f6, f0
- xma.hu f37 = f12, f6, f0
- br .Lcj6
- .grt6: getf.sig r25 = f37
- ldf8 f10 = [r33], 8
- ;;
- getf.sig r26 = f38
- xma.l f34 = f11, f6, f0
- xma.hu f35 = f11, f6, f0
- ;;
- getf.sig r27 = f39
- ldf8 f11 = [r33], 8
- ;;
- getf.sig r20 = f32
- xma.l f36 = f12, f6, f0
- xma.hu f37 = f12, f6, f0
- br .LL10
- .Lb11: ldf8 f12 = [r33], 8
- ;;
- ldf8 f13 = [r33], 8
- br.cloop.dptk .grt3
- ;;
- xma.l f34 = f9, f6, f0
- xma.hu f35 = f9, f6, f0
- ;;
- xma.l f36 = f12, f6, f0
- xma.hu f37 = f12, f6, f0
- ;;
- getf.sig r22 = f34
- xma.l f38 = f13, f6, f0
- xma.hu f39 = f13, f6, f0
- ;;
- getf.sig r23 = f35
- ;;
- getf.sig r24 = f36
- ;;
- getf.sig r25 = f37
- ;;
- getf.sig r26 = f38
- br .Lcj3
- .grt3: ldf8 f10 = [r33], 8
- ;;
- xma.l f34 = f9, f6, f0
- xma.hu f35 = f9, f6, f0
- ;;
- ldf8 f11 = [r33], 8
- ;;
- xma.l f36 = f12, f6, f0
- xma.hu f37 = f12, f6, f0
- ;;
- ldf8 f12 = [r33], 8
- ;;
- getf.sig r22 = f34
- xma.l f38 = f13, f6, f0
- xma.hu f39 = f13, f6, f0
- ;;
- getf.sig r23 = f35
- ldf8 f13 = [r33], 8
- ;;
- getf.sig r24 = f36
- xma.l f32 = f10, f6, f0
- xma.hu f33 = f10, f6, f0
- br.cloop.dptk .grt7
- getf.sig r25 = f37
- ;;
- getf.sig r26 = f38
- xma.l f34 = f11, f6, f0
- xma.hu f35 = f11, f6, f0
- br .Lcj7
- .grt7: getf.sig r25 = f37
- ldf8 f10 = [r33], 8
- ;;
- getf.sig r26 = f38
- xma.l f34 = f11, f6, f0
- xma.hu f35 = f11, f6, f0
- br .LL11
- .Lb00: ldf8 f11 = [r33], 8
- ;;
- ldf8 f12 = [r33], 8
- ;;
- ldf8 f13 = [r33], 8
- br.cloop.dptk .grt4
- ;;
- xma.l f32 = f9, f6, f0
- xma.hu f33 = f9, f6, f0
- ;;
- xma.l f34 = f11, f6, f0
- xma.hu f35 = f11, f6, f0
- ;;
- getf.sig r20 = f32
- xma.l f36 = f12, f6, f0
- xma.hu f37 = f12, f6, f0
- ;;
- getf.sig r21 = f33
- ;;
- getf.sig r22 = f34
- xma.l f38 = f13, f6, f0
- xma.hu f39 = f13, f6, f0
- ;;
- getf.sig r23 = f35
- ;;
- getf.sig r24 = f36
- br .Lcj4
- .grt4: xma.l f32 = f9, f6, f0
- xma.hu f33 = f9, f6, f0
- ;;
- ldf8 f10 = [r33], 8
- ;;
- xma.l f34 = f11, f6, f0
- xma.hu f35 = f11, f6, f0
- ;;
- ldf8 f11 = [r33], 8
- ;;
- getf.sig r20 = f32
- xma.l f36 = f12, f6, f0
- xma.hu f37 = f12, f6, f0
- ;;
- getf.sig r21 = f33
- ldf8 f12 = [r33], 8
- ;;
- getf.sig r22 = f34
- xma.l f38 = f13, f6, f0
- xma.hu f39 = f13, f6, f0
- ;;
- getf.sig r23 = f35
- ldf8 f13 = [r33], 8
- ;;
- getf.sig r24 = f36
- xma.l f32 = f10, f6, f0
- xma.hu f33 = f10, f6, f0
- br.cloop.dptk .LL00
- br .Lcj8
- C *** MAIN LOOP START ***
- ALIGN(32)
- .Ltop:
- .pred.rel "mutex",p6,p7
- C .mfi
- getf.sig r24 = f36
- xma.l f32 = f10, f6, f0
- (p6) sub r15 = r19, r27, 1
- C .mfi
- st8 [r32] = r19, 8
- xma.hu f33 = f10, f6, f0
- (p7) sub r15 = r19, r27
- ;;
- .LL00:
- C .mfi
- getf.sig r25 = f37
- nop.f 0
- cmp.ltu p6, p7 = r15, r20
- C .mib
- ldf8 f10 = [r33], 8
- sub r16 = r15, r20
- nop.b 0
- ;;
- C .mfi
- getf.sig r26 = f38
- xma.l f34 = f11, f6, f0
- (p6) sub r15 = r16, r21, 1
- C .mfi
- st8 [r32] = r16, 8
- xma.hu f35 = f11, f6, f0
- (p7) sub r15 = r16, r21
- ;;
- .LL11:
- C .mfi
- getf.sig r27 = f39
- nop.f 0
- cmp.ltu p6, p7 = r15, r22
- C .mib
- ldf8 f11 = [r33], 8
- sub r17 = r15, r22
- nop.b 0
- ;;
- C .mfi
- getf.sig r20 = f32
- xma.l f36 = f12, f6, f0
- (p6) sub r15 = r17, r23, 1
- C .mfi
- st8 [r32] = r17, 8
- xma.hu f37 = f12, f6, f0
- (p7) sub r15 = r17, r23
- ;;
- .LL10:
- C .mfi
- getf.sig r21 = f33
- nop.f 0
- cmp.ltu p6, p7 = r15, r24
- C .mib
- ldf8 f12 = [r33], 8
- sub r18 = r15, r24
- nop.b 0
- ;;
- C .mfi
- getf.sig r22 = f34
- xma.l f38 = f13, f6, f0
- (p6) sub r15 = r18, r25, 1
- C .mfi
- st8 [r32] = r18, 8
- xma.hu f39 = f13, f6, f0
- (p7) sub r15 = r18, r25
- ;;
- .LL01:
- C .mfi
- getf.sig r23 = f35
- nop.f 0
- cmp.ltu p6, p7 = r15, r26
- C .mib
- ldf8 f13 = [r33], 8
- sub r19 = r15, r26
- br.cloop.sptk.few .Ltop
- C *** MAIN LOOP END ***
- ;;
- getf.sig r24 = f36
- xma.l f32 = f10, f6, f0
- (p6) sub r15 = r19, r27, 1
- st8 [r32] = r19, 8
- xma.hu f33 = f10, f6, f0
- (p7) sub r15 = r19, r27
- ;;
- .Lcj8: getf.sig r25 = f37
- cmp.ltu p6, p7 = r15, r20
- sub r16 = r15, r20
- ;;
- getf.sig r26 = f38
- xma.l f34 = f11, f6, f0
- (p6) sub r15 = r16, r21, 1
- st8 [r32] = r16, 8
- xma.hu f35 = f11, f6, f0
- (p7) sub r15 = r16, r21
- ;;
- .Lcj7: getf.sig r27 = f39
- cmp.ltu p6, p7 = r15, r22
- sub r17 = r15, r22
- ;;
- getf.sig r20 = f32
- xma.l f36 = f12, f6, f0
- (p6) sub r15 = r17, r23, 1
- st8 [r32] = r17, 8
- xma.hu f37 = f12, f6, f0
- (p7) sub r15 = r17, r23
- ;;
- .Lcj6: getf.sig r21 = f33
- cmp.ltu p6, p7 = r15, r24
- sub r18 = r15, r24
- ;;
- getf.sig r22 = f34
- xma.l f38 = f13, f6, f0
- (p6) sub r15 = r18, r25, 1
- st8 [r32] = r18, 8
- xma.hu f39 = f13, f6, f0
- (p7) sub r15 = r18, r25
- ;;
- .Lcj5: getf.sig r23 = f35
- cmp.ltu p6, p7 = r15, r26
- sub r19 = r15, r26
- ;;
- getf.sig r24 = f36
- (p6) sub r15 = r19, r27, 1
- st8 [r32] = r19, 8
- (p7) sub r15 = r19, r27
- ;;
- .Lcj4: getf.sig r25 = f37
- cmp.ltu p6, p7 = r15, r20
- sub r16 = r15, r20
- ;;
- getf.sig r26 = f38
- (p6) sub r15 = r16, r21, 1
- st8 [r32] = r16, 8
- (p7) sub r15 = r16, r21
- ;;
- .Lcj3: getf.sig r27 = f39
- cmp.ltu p6, p7 = r15, r22
- sub r17 = r15, r22
- ;;
- (p6) sub r15 = r17, r23, 1
- st8 [r32] = r17, 8
- (p7) sub r15 = r17, r23
- ;;
- .Lcj2: cmp.ltu p6, p7 = r15, r24
- sub r18 = r15, r24
- ;;
- (p6) sub r15 = r18, r25, 1
- st8 [r32] = r18, 8
- (p7) sub r15 = r18, r25
- ;;
- .Lcj1: cmp.ltu p6, p7 = r15, r26
- sub r19 = r15, r26
- ;;
- (p6) sub r8 = r19, r27, 1
- st8 [r32] = r19
- (p7) sub r8 = r19, r27
- mov ar.lc = r2
- br.ret.sptk.many b0
- EPILOGUE()
- ASM_END()