--- /dev/null
+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()
projects / msp430-gcc.git / blobdiff