Add Chromium-only Blender WebEngine parity work
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mes123456
212
blender-5.2.0/extern/gmp-source/mpn/arm/v6t2/divrem_1.asm
vendored
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212
blender-5.2.0/extern/gmp-source/mpn/arm/v6t2/divrem_1.asm
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dnl ARM v6t2 mpn_divrem_1 and mpn_preinv_divrem_1.
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dnl Contributed to the GNU project by Torbjörn Granlund.
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dnl Copyright 2012 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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include(`../config.m4')
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C norm unorm frac
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C StrongARM - - -
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C XScale - - -
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C Cortex-A7 ? ? ?
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C Cortex-A8 ? ? ?
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C Cortex-A9 13 14 13
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C Cortex-A15 11.4 11.8 11.1
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C TODO
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C * Optimise inner-loops better, they could likely run a cycle or two faster.
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C * Decrease register usage, streamline non-loop code.
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define(`qp_arg', `r0')
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define(`fn', `r1')
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define(`up_arg', `r2')
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define(`n_arg', `r3')
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define(`d_arg', `0')
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define(`dinv_arg',`4')
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define(`cnt_arg', `8')
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define(`n', `r9')
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define(`qp', `r5')
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define(`up', `r6')
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define(`cnt', `r7')
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define(`tnc', `r10')
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define(`dinv', `r0')
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define(`d', `r4')
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ASM_START()
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PROLOGUE(mpn_preinv_divrem_1)
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stmfd sp!, {r4, r5, r6, r7, r8, r9, r10, r11, lr}
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ldr d, [sp, #9*4+d_arg]
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ldr cnt, [sp, #9*4+cnt_arg]
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str r1, [sp, #9*4+d_arg] C reuse d stack slot for fn
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sub n, r3, #1
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add r3, r1, n
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cmp d, #0
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add qp, qp_arg, r3, lsl #2 C put qp at Q[] end
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add up, up_arg, n, lsl #2 C put up at U[] end
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ldr dinv, [sp, #9*4+dinv_arg]
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blt L(nent)
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b L(uent)
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EPILOGUE()
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PROLOGUE(mpn_divrem_1)
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stmfd sp!, {r4, r5, r6, r7, r8, r9, r10, r11, lr}
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sub n, r3, #1
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ldr d, [sp, #9*4+d_arg] C d
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str r1, [sp, #9*4+d_arg] C reuse d stack slot for fn
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add r3, r1, n
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cmp d, #0
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add qp, qp_arg, r3, lsl #2 C put qp at Q[] end
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add up, up_arg, n, lsl #2 C put up at U[] end
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blt L(normalised)
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L(unnorm):
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clz cnt, d
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mov r0, d, lsl cnt C pass d << cnt
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bl mpn_invert_limb
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L(uent):
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mov d, d, lsl cnt C d <<= cnt
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cmp n, #0
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mov r1, #0 C r
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blt L(frac)
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ldr r11, [up, #0]
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rsb tnc, cnt, #32
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mov r1, r11, lsr tnc
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mov r11, r11, lsl cnt
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beq L(uend)
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ldr r3, [up, #-4]!
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orr r2, r11, r3, lsr tnc
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b L(mid)
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L(utop):
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mls r1, d, r8, r11
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mov r11, r3, lsl cnt
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ldr r3, [up, #-4]!
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cmp r1, r2
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addhi r1, r1, d
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subhi r8, r8, #1
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orr r2, r11, r3, lsr tnc
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cmp r1, d
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bcs L(ufx)
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L(uok): str r8, [qp], #-4
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L(mid): add r8, r1, #1
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mov r11, r2
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umlal r2, r8, r1, dinv
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subs n, n, #1
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bne L(utop)
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mls r1, d, r8, r11
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mov r11, r3, lsl cnt
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cmp r1, r2
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addhi r1, r1, d
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subhi r8, r8, #1
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cmp r1, d
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rsbcs r1, d, r1
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addcs r8, r8, #1
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str r8, [qp], #-4
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L(uend):add r8, r1, #1
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mov r2, r11
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umlal r2, r8, r1, dinv
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mls r1, d, r8, r11
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cmp r1, r2
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addhi r1, r1, d
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subhi r8, r8, #1
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cmp r1, d
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rsbcs r1, d, r1
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addcs r8, r8, #1
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str r8, [qp], #-4
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L(frac):
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ldr r2, [sp, #9*4+d_arg] C fn
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cmp r2, #0
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beq L(fend)
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L(ftop):mov r6, #0
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add r3, r1, #1
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umlal r6, r3, r1, dinv
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mov r8, #0
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mls r1, d, r3, r8
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cmp r1, r6
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addhi r1, r1, d
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subhi r3, r3, #1
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subs r2, r2, #1
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str r3, [qp], #-4
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bne L(ftop)
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L(fend):mov r11, r1, lsr cnt
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L(rtn): mov r0, r11
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ldmfd sp!, {r4, r5, r6, r7, r8, r9, r10, r11, pc}
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L(normalised):
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mov r0, d
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bl mpn_invert_limb
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L(nent):
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cmp n, #0
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mov r11, #0 C r
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blt L(nend)
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ldr r11, [up, #0]
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cmp r11, d
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movlo r2, #0 C hi q limb
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movhs r2, #1 C hi q limb
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subhs r11, r11, d
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str r2, [qp], #-4
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cmp n, #0
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beq L(nend)
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L(ntop):ldr r1, [up, #-4]!
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add r12, r11, #1
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umlal r1, r12, r11, dinv
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ldr r3, [up, #0]
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mls r11, d, r12, r3
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cmp r11, r1
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addhi r11, r11, d
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subhi r12, r12, #1
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cmp d, r11
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bls L(nfx)
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L(nok): str r12, [qp], #-4
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subs n, n, #1
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bne L(ntop)
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L(nend):mov r1, r11 C r
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mov cnt, #0 C shift cnt
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b L(frac)
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L(nfx): add r12, r12, #1
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rsb r11, d, r11
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b L(nok)
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L(ufx): rsb r1, d, r1
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add r8, r8, #1
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b L(uok)
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EPILOGUE()
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65
blender-5.2.0/extern/gmp-source/mpn/arm/v6t2/gcd_11.asm
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65
blender-5.2.0/extern/gmp-source/mpn/arm/v6t2/gcd_11.asm
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@@ -0,0 +1,65 @@
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dnl ARM v6t2 mpn_gcd_11.
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dnl Copyright 2000-2002, 2005, 2009, 2011, 2012, 2019 Free Software Foundation,
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dnl Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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include(`../config.m4')
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C cycles/bit (approx)
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C StrongARM -
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C XScale -
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C Cortex-A5 5.2
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C Cortex-A7 5.04
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C Cortex-A8 3.59
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C Cortex-A9 9.5
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C Cortex-A15 3.2
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C Cortex-A17 5.25
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C Cortex-A53 3.57
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define(`u0', `r0')
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define(`v0', `r1')
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ASM_START()
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TEXT
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ALIGN(64)
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PROLOGUE(mpn_gcd_11)
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subs r3, u0, v0 C 0
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beq L(end) C
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ALIGN(16)
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L(top): rbit r12, r3 C 1,5
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clz r12, r12 C 2
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rsbcc r3, r3, #0 C v = abs(u-v), even 1
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movcs u0, v0 C u = min(u,v) 1
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lsr v0, r3, r12 C 3
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subs r3, u0, v0 C 4
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bne L(top) C
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L(end): bx lr
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EPILOGUE()
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113
blender-5.2.0/extern/gmp-source/mpn/arm/v6t2/gcd_22.asm
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113
blender-5.2.0/extern/gmp-source/mpn/arm/v6t2/gcd_22.asm
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@@ -0,0 +1,113 @@
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dnl ARM v6t2 mpn_gcd_22.
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dnl Copyright 2019 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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include(`../config.m4')
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C cycles/bit (approx)
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C StrongARM -
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C XScale -
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C Cortex-A5 10.1
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C Cortex-A7 9.1
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C Cortex-A8 6.3
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C Cortex-A9 ?
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C Cortex-A12 7.7
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C Cortex-A15 5.7
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C Cortex-A17 ?
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C Cortex-A53 7.0
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define(`gp', `r0')
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define(`u1', `r1')
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define(`u0', `r2')
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define(`v1', `r3')
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define(`v0', `r4')
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define(`t0', `r5')
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define(`t1', `r6')
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define(`cnt', `r7')
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ASM_START()
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PROLOGUE(mpn_gcd_22)
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push { r4-r7 }
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ldr v0, [sp,#16] C
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L(top): subs t0, u0, v0 C 0 7
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beq L(lowz)
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sbcs t1, u1, v1 C 1 8
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rbit cnt, t0 C 1
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negcc t0, t0
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mvncc t1, t1
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L(bck): movcc v0, u0
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movcc v1, u1
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clz cnt, cnt C 2
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rsb r12, cnt, #32 C 3
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lsr u0, t0, cnt C 3
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lsl r12, t1, r12 C 4
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lsr u1, t1, cnt C 3
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orr u0, u0, r12 C 5
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orrs r12, u1, v1
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bne L(top)
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str r12, [gp,#4] C high result limb <= 0
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mov r6, gp
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mov r0, u0 C pass 1st argument
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mov r1, v0 C pass 2nd argument
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mov r7, r14 C preserve link register
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bl mpn_gcd_11
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str r0, [r6,#0]
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mov r14, r7
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pop { r4-r7 }
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bx r14
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L(lowz):C We come here when v0 - u0 = 0
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C 1. If v1 - u1 = 0, then gcd is u = v.
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C 2. Else compute gcd_21({v1,v0}, |u1-v1|)
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subs t0, u1, v1
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beq L(end)
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mov t1, #0
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rbit cnt, t0 C 1
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negcc t0, t0
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b L(bck)
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L(end): str v0, [gp,#0]
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str v1, [gp,#4]
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pop { r4-r7 }
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bx r14
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EPILOGUE()
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