From cfa28bcf71f7a3499f4e9f976365fbb0eeb1f1ae Mon Sep 17 00:00:00 2001 From: Martin Kroeker Date: Fri, 19 Dec 2025 17:00:47 +0100 Subject: [PATCH 1/2] Support compilation with LLVM for Windows on Arm --- kernel/arm64/zdot_thunderx2t99.c | 740 ++++++++++++++++--------------- 1 file changed, 381 insertions(+), 359 deletions(-) diff --git a/kernel/arm64/zdot_thunderx2t99.c b/kernel/arm64/zdot_thunderx2t99.c index d48392412b..1f62b47faf 100644 --- a/kernel/arm64/zdot_thunderx2t99.c +++ b/kernel/arm64/zdot_thunderx2t99.c @@ -1,359 +1,381 @@ -/*************************************************************************** -Copyright (c) 2017, The OpenBLAS Project -All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: -1. Redistributions of source code must retain the above copyright -notice, this list of conditions and the following disclaimer. -2. Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in -the documentation and/or other materials provided with the -distribution. -3. Neither the name of the OpenBLAS project nor the names of -its contributors may be used to endorse or promote products -derived from this software without specific prior written permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE -USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*****************************************************************************/ -#ifdef __NVCOMPILER -#define NVCOMPVERS ( __NVCOMPILER_MAJOR__ * 100 + __NVCOMPILER_MINOR__ ) -#if (NVCOMPVERS < 2309) -#pragma opt 1 -#endif -#endif - -#include "common.h" - -#include - -#define N "x0" /* vector length */ -#define X "x1" /* "X" vector address */ -#define INC_X "x2" /* "X" stride */ -#define Y "x3" /* "Y" vector address */ -#define INC_Y "x4" /* "Y" stride */ -#define J "x5" /* loop variable */ - -#if !defined(DOUBLE) -#define REG0 "wzr" -#define DOTF "s0" -#define DOTI "s1" -#define INC_SHIFT "3" -#define N_DIV_SHIFT "4" -#define N_REM_MASK "15" -#else -#define REG0 "xzr" -#define DOTF "d0" -#define DOTI "d1" -#define INC_SHIFT "4" -#define N_DIV_SHIFT "3" -#define N_REM_MASK "7" -#endif - -#if !defined(CONJ) -#define f_ii "fmls" -#define f_ir "fmla" -#define a_ii "fsub" -#define a_ir "fadd" -#else -#define f_ii "fmla" -#define f_ir "fmls" -#define a_ii "fadd" -#define a_ir "fsub" -#endif - -#if !defined(DOUBLE) -#define KERNEL_F1 \ - " ldr d16, ["X"] \n" \ - " ldr d24, ["Y"] \n" \ - " add "X", "X", "INC_X" \n" \ - " add "Y", "Y", "INC_Y" \n" \ - " ins v17.s[0], v16.s[1] \n" \ - " fmla "DOTF", s16, v24.s[0] \n" \ - " "f_ii" "DOTF", s17, v24.s[1] \n" \ - " "f_ir" "DOTI", s17, v24.s[0] \n" \ - " fmla "DOTI", s16, v24.s[1] \n" - -#define KERNEL_F \ - " ld2 {v16.4s, v17.4s}, ["X"] \n" \ - " ld2 {v24.4s, v25.4s}, ["Y"] \n" \ - " add "X", "X", #32 \n" \ - " add "Y", "Y", #32 \n" \ - " ld2 {v18.4s, v19.4s}, ["X"] \n" \ - " ld2 {v26.4s, v27.4s}, ["Y"] \n" \ - " add "X", "X", #32 \n" \ - " add "Y", "Y", #32 \n" \ - " fmla v0.4s, v16.4s, v24.4s \n" \ - " fmla v1.4s, v17.4s, v25.4s \n" \ - " fmla v2.4s, v16.4s, v25.4s \n" \ - " fmla v3.4s, v17.4s, v24.4s \n" \ - " ld2 {v20.4s, v21.4s}, ["X"] \n" \ - " ld2 {v28.4s, v29.4s}, ["Y"] \n" \ - " add "X", "X", #32 \n" \ - " add "Y", "Y", #32 \n" \ - " fmla v4.4s, v18.4s, v26.4s \n" \ - " fmla v5.4s, v19.4s, v27.4s \n" \ - " fmla v6.4s, v18.4s, v27.4s \n" \ - " fmla v7.4s, v19.4s, v26.4s \n" \ - " ld2 {v22.4s, v23.4s}, ["X"] \n" \ - " ld2 {v30.4s, v31.4s}, ["Y"] \n" \ - " fmla v0.4s, v20.4s, v28.4s \n" \ - " fmla v1.4s, v21.4s, v29.4s \n" \ - " fmla v2.4s, v20.4s, v29.4s \n" \ - " fmla v3.4s, v21.4s, v28.4s \n" \ - " add "X", "X", #32 \n" \ - " add "Y", "Y", #32 \n" \ - " PRFM PLDL1KEEP, ["X", #1024] \n" \ - " PRFM PLDL1KEEP, ["Y", #1024] \n" \ - " PRFM PLDL1KEEP, ["X", #1024+64] \n" \ - " PRFM PLDL1KEEP, ["Y", #1024+64] \n" \ - " fmla v4.4s, v22.4s, v30.4s \n" \ - " fmla v5.4s, v23.4s, v31.4s \n" \ - " fmla v6.4s, v22.4s, v31.4s \n" \ - " fmla v7.4s, v23.4s, v30.4s \n" - -#define KERNEL_F_FINALIZE \ - " fadd v0.4s, v0.4s, v4.4s \n" \ - " fadd v1.4s, v1.4s, v5.4s \n" \ - " fadd v2.4s, v2.4s, v6.4s \n" \ - " fadd v3.4s, v3.4s, v7.4s \n" \ - " "a_ii" v0.4s, v0.4s, v1.4s \n" \ - " "a_ir" v1.4s, v2.4s, v3.4s \n" \ - " faddp v0.4s, v0.4s, v0.4s \n" \ - " faddp v0.4s, v0.4s, v0.4s \n" \ - " faddp v1.4s, v1.4s, v1.4s \n" \ - " faddp v1.4s, v1.4s, v1.4s \n" - -#else - -#define KERNEL_F1 \ - " ldr q16, ["X"] \n" \ - " ldr q24, ["Y"] \n" \ - " add "X", "X", "INC_X" \n" \ - " add "Y", "Y", "INC_Y" \n" \ - " ins v17.d[0], v16.d[1] \n" \ - " fmla "DOTF", d16, v24.d[0] \n" \ - " "f_ii" "DOTF", d17, v24.d[1] \n" \ - " "f_ir" "DOTI", d17, v24.d[0] \n" \ - " fmla "DOTI", d16, v24.d[1] \n" - -#define KERNEL_F \ - " ld2 {v16.2d, v17.2d}, ["X"] \n" \ - " ld2 {v24.2d, v25.2d}, ["Y"] \n" \ - " add "X", "X", #32 \n" \ - " add "Y", "Y", #32 \n" \ - " ld2 {v18.2d, v19.2d}, ["X"] \n" \ - " ld2 {v26.2d, v27.2d}, ["Y"] \n" \ - " add "X", "X", #32 \n" \ - " add "Y", "Y", #32 \n" \ - " fmla v0.2d, v16.2d, v24.2d \n" \ - " fmla v1.2d, v17.2d, v25.2d \n" \ - " fmla v2.2d, v16.2d, v25.2d \n" \ - " fmla v3.2d, v17.2d, v24.2d \n" \ - " ld2 {v20.2d, v21.2d}, ["X"] \n" \ - " ld2 {v28.2d, v29.2d}, ["Y"] \n" \ - " add "X", "X", #32 \n" \ - " add "Y", "Y", #32 \n" \ - " fmla v4.2d, v18.2d, v26.2d \n" \ - " fmla v5.2d, v19.2d, v27.2d \n" \ - " fmla v6.2d, v18.2d, v27.2d \n" \ - " fmla v7.2d, v19.2d, v26.2d \n" \ - " ld2 {v22.2d, v23.2d}, ["X"] \n" \ - " ld2 {v30.2d, v31.2d}, ["Y"] \n" \ - " fmla v0.2d, v20.2d, v28.2d \n" \ - " fmla v1.2d, v21.2d, v29.2d \n" \ - " fmla v2.2d, v20.2d, v29.2d \n" \ - " fmla v3.2d, v21.2d, v28.2d \n" \ - " add "X", "X", #32 \n" \ - " add "Y", "Y", #32 \n" \ - " PRFM PLDL1KEEP, ["X", #1024] \n" \ - " PRFM PLDL1KEEP, ["Y", #1024] \n" \ - " PRFM PLDL1KEEP, ["X", #1024+64] \n" \ - " PRFM PLDL1KEEP, ["Y", #1024+64] \n" \ - " fmla v4.2d, v22.2d, v30.2d \n" \ - " fmla v5.2d, v23.2d, v31.2d \n" \ - " fmla v6.2d, v22.2d, v31.2d \n" \ - " fmla v7.2d, v23.2d, v30.2d \n" - -#define KERNEL_F_FINALIZE \ - " fadd v0.2d, v0.2d, v4.2d \n" \ - " fadd v1.2d, v1.2d, v5.2d \n" \ - " fadd v2.2d, v2.2d, v6.2d \n" \ - " fadd v3.2d, v3.2d, v7.2d \n" \ - " "a_ii" v0.2d, v0.2d, v1.2d \n" \ - " "a_ir" v1.2d, v2.2d, v3.2d \n" \ - " faddp "DOTF", v0.2d \n" \ - " faddp "DOTI", v1.2d \n" -#endif - -#if defined(SMP) -extern int blas_level1_thread_with_return_value(int mode, BLASLONG m, BLASLONG n, - BLASLONG k, void *alpha, void *a, BLASLONG lda, void *b, BLASLONG ldb, - void *c, BLASLONG ldc, int (*function)(), int nthreads); -#endif - -static void zdot_compute(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, OPENBLAS_COMPLEX_FLOAT *result) -{ - FLOAT dotr = 0.0, doti = 0.0; - OPENBLAS_COMPLEX_FLOAT cf = OPENBLAS_MAKE_COMPLEX_FLOAT(0.0, 0.0); - *result = cf; - - if ( n < 0 ) return; - - __asm__ __volatile__ ( - " mov "N", %[N_] \n" - " mov "X", %[X_] \n" - " mov "INC_X", %[INCX_] \n" - " mov "Y", %[Y_] \n" - " mov "INC_Y", %[INCY_] \n" - " fmov "DOTF", "REG0" \n" - " fmov "DOTI", "REG0" \n" - " fmov d2, xzr \n" - " fmov d3, xzr \n" - " fmov d4, xzr \n" - " fmov d5, xzr \n" - " fmov d6, xzr \n" - " fmov d7, xzr \n" - " cmp "N", xzr \n" - " ble 9f //dot_kernel_L999 \n" - " cmp "INC_X", #1 \n" - " bne 5f //dot_kernel_S_BEGIN \n" - " cmp "INC_Y", #1 \n" - " bne 5f //dot_kernel_S_BEGIN \n" - - "1: //dot_kernel_F_BEGIN: \n" - " lsl "INC_X", "INC_X", "INC_SHIFT" \n" - " lsl "INC_Y", "INC_Y", "INC_SHIFT" \n" - " asr "J", "N", #"N_DIV_SHIFT" \n" - " cmp "J", xzr \n" - " beq 3f //dot_kernel_F1 \n" - - " .align 5 \n" - "2: //dot_kernel_F: \n" - " "KERNEL_F" \n" - " subs "J", "J", #1 \n" - " bne 2b //dot_kernel_F \n" - " "KERNEL_F_FINALIZE" \n" - - "3: //dot_kernel_F1: \n" - " ands "J", "N", #"N_REM_MASK" \n" - " ble 9f //dot_kernel_L999 \n" - - "4: //dot_kernel_F10: \n" - " "KERNEL_F1" \n" - " subs "J", "J", #1 \n" - " bne 4b //dot_kernel_F10 \n" - " b 9f //dot_kernel_L999 \n" - - "5: //dot_kernel_S_BEGIN: \n" - " lsl "INC_X", "INC_X", "INC_SHIFT" \n" - " lsl "INC_Y", "INC_Y", "INC_SHIFT" \n" - " asr "J", "N", #2 \n" - " cmp "J", xzr \n" - " ble 7f //dot_kernel_S1 \n" - - "6: //dot_kernel_S4: \n" - " "KERNEL_F1" \n" - " "KERNEL_F1" \n" - " "KERNEL_F1" \n" - " "KERNEL_F1" \n" - " subs "J", "J", #1 \n" - " bne 6b //dot_kernel_S4 \n" - - "7: //dot_kernel_S1: \n" - " ands "J", "N", #3 \n" - " ble 9f //dot_kernel_L999 \n" - - "8: //dot_kernel_S10: \n" - " "KERNEL_F1" \n" - " subs "J", "J", #1 \n" - " bne 8b //dot_kernel_S10 \n" - - "9: //dot_kernel_L999: \n" - " str "DOTF", [%[DOTR_]] \n" - " str "DOTI", [%[DOTI_]] \n" - - : - : [DOTR_] "r" (&dotr), //%0 - [DOTI_] "r" (&doti), //%1 - [N_] "r" (n), //%2 - [X_] "r" (x), //%3 - [INCX_] "r" (inc_x), //%4 - [Y_] "r" (y), //%5 - [INCY_] "r" (inc_y) //%6 - : "cc", - "memory", - "x0", "x1", "x2", "x3", "x4", "x5", - "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", - "v16", "v17", "v18", "v19", "v20", "v21", "v22", - "v23", "v24", "v25", "v26", "v27", "v28", "v29", - "v30", "v31" - ); - - cf=OPENBLAS_MAKE_COMPLEX_FLOAT(dotr, doti); - *result = cf; - return; -} - -#if defined(SMP) -static int zdot_thread_function(BLASLONG n, BLASLONG dummy0, - BLASLONG dummy1, FLOAT dummy2, FLOAT *x, BLASLONG inc_x, FLOAT *y, - BLASLONG inc_y, FLOAT *result, BLASLONG dummy3) -{ - zdot_compute(n, x, inc_x, y, inc_y, (void *)result); - - return 0; -} -#endif - -OPENBLAS_COMPLEX_FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y) -{ -#if defined(SMP) - int nthreads; - FLOAT dummy_alpha; -#endif - OPENBLAS_COMPLEX_FLOAT zdot = OPENBLAS_MAKE_COMPLEX_FLOAT(0.0,0.0); - -#if defined(SMP) - if (inc_x == 0 || inc_y == 0 || n <= 10000) - nthreads = 1; - else - nthreads = num_cpu_avail(1); - - if (nthreads == 1) { - zdot_compute(n, x, inc_x, y, inc_y, &zdot); - } else { - int mode, i; - char result[MAX_CPU_NUMBER * sizeof(double) * 2]; - OPENBLAS_COMPLEX_FLOAT *ptr; - -#if !defined(DOUBLE) - mode = BLAS_SINGLE | BLAS_COMPLEX; -#else - mode = BLAS_DOUBLE | BLAS_COMPLEX; -#endif - - blas_level1_thread_with_return_value(mode, n, 0, 0, &dummy_alpha, - x, inc_x, y, inc_y, result, 0, - ( void *)zdot_thread_function, nthreads); - - ptr = (OPENBLAS_COMPLEX_FLOAT *)result; - for (i = 0; i < nthreads; i++) { - zdot = OPENBLAS_MAKE_COMPLEX_FLOAT (CREAL(zdot) + CREAL(*ptr), CIMAG(zdot) + CIMAG(*ptr)); - ptr = (void *)(((char *)ptr) + sizeof(double) * 2); - } - } -#else - zdot_compute(n, x, inc_x, y, inc_y, &zdot); -#endif - - return zdot; -} +/*************************************************************************** +Copyright (c) 2017, The OpenBLAS Project +All rights reserved. +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in +the documentation and/or other materials provided with the +distribution. +3. Neither the name of the OpenBLAS project nor the names of +its contributors may be used to endorse or promote products +derived from this software without specific prior written permission. +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE +USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*****************************************************************************/ +#ifdef __NVCOMPILER +#define NVCOMPVERS ( __NVCOMPILER_MAJOR__ * 100 + __NVCOMPILER_MINOR__ ) +#if (NVCOMPVERS < 2309) +#pragma opt 1 +#endif +#endif + +#include "common.h" +#ifdef _MSC_VER +#include +#endif +#include + +#define N "x0" /* vector length */ +#define X "x1" /* "X" vector address */ +#define INC_X "x2" /* "X" stride */ +#define Y "x3" /* "Y" vector address */ +#define INC_Y "x4" /* "Y" stride */ +#define J "x5" /* loop variable */ + +#if !defined(DOUBLE) +#define REG0 "wzr" +#define DOTF "s0" +#define DOTI "s1" +#define INC_SHIFT "3" +#define N_DIV_SHIFT "4" +#define N_REM_MASK "15" +#else +#define REG0 "xzr" +#define DOTF "d0" +#define DOTI "d1" +#define INC_SHIFT "4" +#define N_DIV_SHIFT "3" +#define N_REM_MASK "7" +#endif + +#if !defined(CONJ) +#define f_ii "fmls" +#define f_ir "fmla" +#define a_ii "fsub" +#define a_ir "fadd" +#else +#define f_ii "fmla" +#define f_ir "fmls" +#define a_ii "fadd" +#define a_ir "fsub" +#endif + +#if !defined(DOUBLE) +#define KERNEL_F1 \ + " ldr d16, ["X"] \n" \ + " ldr d24, ["Y"] \n" \ + " add "X", "X", "INC_X" \n" \ + " add "Y", "Y", "INC_Y" \n" \ + " ins v17.s[0], v16.s[1] \n" \ + " fmla "DOTF", s16, v24.s[0] \n" \ + " "f_ii" "DOTF", s17, v24.s[1] \n" \ + " "f_ir" "DOTI", s17, v24.s[0] \n" \ + " fmla "DOTI", s16, v24.s[1] \n" + +#define KERNEL_F \ + " ld2 {v16.4s, v17.4s}, ["X"] \n" \ + " ld2 {v24.4s, v25.4s}, ["Y"] \n" \ + " add "X", "X", #32 \n" \ + " add "Y", "Y", #32 \n" \ + " ld2 {v18.4s, v19.4s}, ["X"] \n" \ + " ld2 {v26.4s, v27.4s}, ["Y"] \n" \ + " add "X", "X", #32 \n" \ + " add "Y", "Y", #32 \n" \ + " fmla v0.4s, v16.4s, v24.4s \n" \ + " fmla v1.4s, v17.4s, v25.4s \n" \ + " fmla v2.4s, v16.4s, v25.4s \n" \ + " fmla v3.4s, v17.4s, v24.4s \n" \ + " ld2 {v20.4s, v21.4s}, ["X"] \n" \ + " ld2 {v28.4s, v29.4s}, ["Y"] \n" \ + " add "X", "X", #32 \n" \ + " add "Y", "Y", #32 \n" \ + " fmla v4.4s, v18.4s, v26.4s \n" \ + " fmla v5.4s, v19.4s, v27.4s \n" \ + " fmla v6.4s, v18.4s, v27.4s \n" \ + " fmla v7.4s, v19.4s, v26.4s \n" \ + " ld2 {v22.4s, v23.4s}, ["X"] \n" \ + " ld2 {v30.4s, v31.4s}, ["Y"] \n" \ + " fmla v0.4s, v20.4s, v28.4s \n" \ + " fmla v1.4s, v21.4s, v29.4s \n" \ + " fmla v2.4s, v20.4s, v29.4s \n" \ + " fmla v3.4s, v21.4s, v28.4s \n" \ + " add "X", "X", #32 \n" \ + " add "Y", "Y", #32 \n" \ + " PRFM PLDL1KEEP, ["X", #1024] \n" \ + " PRFM PLDL1KEEP, ["Y", #1024] \n" \ + " PRFM PLDL1KEEP, ["X", #1024+64] \n" \ + " PRFM PLDL1KEEP, ["Y", #1024+64] \n" \ + " fmla v4.4s, v22.4s, v30.4s \n" \ + " fmla v5.4s, v23.4s, v31.4s \n" \ + " fmla v6.4s, v22.4s, v31.4s \n" \ + " fmla v7.4s, v23.4s, v30.4s \n" + +#define KERNEL_F_FINALIZE \ + " fadd v0.4s, v0.4s, v4.4s \n" \ + " fadd v1.4s, v1.4s, v5.4s \n" \ + " fadd v2.4s, v2.4s, v6.4s \n" \ + " fadd v3.4s, v3.4s, v7.4s \n" \ + " "a_ii" v0.4s, v0.4s, v1.4s \n" \ + " "a_ir" v1.4s, v2.4s, v3.4s \n" \ + " faddp v0.4s, v0.4s, v0.4s \n" \ + " faddp v0.4s, v0.4s, v0.4s \n" \ + " faddp v1.4s, v1.4s, v1.4s \n" \ + " faddp v1.4s, v1.4s, v1.4s \n" + +#else + +#define KERNEL_F1 \ + " ldr q16, ["X"] \n" \ + " ldr q24, ["Y"] \n" \ + " add "X", "X", "INC_X" \n" \ + " add "Y", "Y", "INC_Y" \n" \ + " ins v17.d[0], v16.d[1] \n" \ + " fmla "DOTF", d16, v24.d[0] \n" \ + " "f_ii" "DOTF", d17, v24.d[1] \n" \ + " "f_ir" "DOTI", d17, v24.d[0] \n" \ + " fmla "DOTI", d16, v24.d[1] \n" + +#define KERNEL_F \ + " ld2 {v16.2d, v17.2d}, ["X"] \n" \ + " ld2 {v24.2d, v25.2d}, ["Y"] \n" \ + " add "X", "X", #32 \n" \ + " add "Y", "Y", #32 \n" \ + " ld2 {v18.2d, v19.2d}, ["X"] \n" \ + " ld2 {v26.2d, v27.2d}, ["Y"] \n" \ + " add "X", "X", #32 \n" \ + " add "Y", "Y", #32 \n" \ + " fmla v0.2d, v16.2d, v24.2d \n" \ + " fmla v1.2d, v17.2d, v25.2d \n" \ + " fmla v2.2d, v16.2d, v25.2d \n" \ + " fmla v3.2d, v17.2d, v24.2d \n" \ + " ld2 {v20.2d, v21.2d}, ["X"] \n" \ + " ld2 {v28.2d, v29.2d}, ["Y"] \n" \ + " add "X", "X", #32 \n" \ + " add "Y", "Y", #32 \n" \ + " fmla v4.2d, v18.2d, v26.2d \n" \ + " fmla v5.2d, v19.2d, v27.2d \n" \ + " fmla v6.2d, v18.2d, v27.2d \n" \ + " fmla v7.2d, v19.2d, v26.2d \n" \ + " ld2 {v22.2d, v23.2d}, ["X"] \n" \ + " ld2 {v30.2d, v31.2d}, ["Y"] \n" \ + " fmla v0.2d, v20.2d, v28.2d \n" \ + " fmla v1.2d, v21.2d, v29.2d \n" \ + " fmla v2.2d, v20.2d, v29.2d \n" \ + " fmla v3.2d, v21.2d, v28.2d \n" \ + " add "X", "X", #32 \n" \ + " add "Y", "Y", #32 \n" \ + " PRFM PLDL1KEEP, ["X", #1024] \n" \ + " PRFM PLDL1KEEP, ["Y", #1024] \n" \ + " PRFM PLDL1KEEP, ["X", #1024+64] \n" \ + " PRFM PLDL1KEEP, ["Y", #1024+64] \n" \ + " fmla v4.2d, v22.2d, v30.2d \n" \ + " fmla v5.2d, v23.2d, v31.2d \n" \ + " fmla v6.2d, v22.2d, v31.2d \n" \ + " fmla v7.2d, v23.2d, v30.2d \n" + +#define KERNEL_F_FINALIZE \ + " fadd v0.2d, v0.2d, v4.2d \n" \ + " fadd v1.2d, v1.2d, v5.2d \n" \ + " fadd v2.2d, v2.2d, v6.2d \n" \ + " fadd v3.2d, v3.2d, v7.2d \n" \ + " "a_ii" v0.2d, v0.2d, v1.2d \n" \ + " "a_ir" v1.2d, v2.2d, v3.2d \n" \ + " faddp "DOTF", v0.2d \n" \ + " faddp "DOTI", v1.2d \n" +#endif + +#if defined(SMP) +extern int blas_level1_thread_with_return_value(int mode, BLASLONG m, BLASLONG n, + BLASLONG k, void *alpha, void *a, BLASLONG lda, void *b, BLASLONG ldb, + void *c, BLASLONG ldc, int (*function)(void), int nthreads); +#endif + +static void zdot_compute(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, OPENBLAS_COMPLEX_FLOAT *result) +{ + FLOAT dotr = 0.0, doti = 0.0; + +#ifdef _MSC_VER + CREAL(*result) = 0.0; + CIMAG(*result) = 0.0; +#else + OPENBLAS_COMPLEX_FLOAT cf = OPENBLAS_MAKE_COMPLEX_FLOAT(0.0, 0.0); + *result = cf; +#endif + + if ( n < 0 ) return; + + __asm__ __volatile__ ( + " mov "N", %[N_] \n" + " mov "X", %[X_] \n" + " mov "INC_X", %[INCX_] \n" + " mov "Y", %[Y_] \n" + " mov "INC_Y", %[INCY_] \n" + " fmov "DOTF", "REG0" \n" + " fmov "DOTI", "REG0" \n" + " fmov d2, xzr \n" + " fmov d3, xzr \n" + " fmov d4, xzr \n" + " fmov d5, xzr \n" + " fmov d6, xzr \n" + " fmov d7, xzr \n" + " cmp "N", xzr \n" + " ble 9f //dot_kernel_L999 \n" + " cmp "INC_X", #1 \n" + " bne 5f //dot_kernel_S_BEGIN \n" + " cmp "INC_Y", #1 \n" + " bne 5f //dot_kernel_S_BEGIN \n" + + "1: //dot_kernel_F_BEGIN: \n" + " lsl "INC_X", "INC_X", "INC_SHIFT" \n" + " lsl "INC_Y", "INC_Y", "INC_SHIFT" \n" + " asr "J", "N", #"N_DIV_SHIFT" \n" + " cmp "J", xzr \n" + " beq 3f //dot_kernel_F1 \n" + + "// .align 5 \n" + "2: //dot_kernel_F: \n" + " "KERNEL_F" \n" + " subs "J", "J", #1 \n" + " bne 2b //dot_kernel_F \n" + " "KERNEL_F_FINALIZE" \n" + + "3: //dot_kernel_F1: \n" + " ands "J", "N", #"N_REM_MASK" \n" + " ble 9f //dot_kernel_L999 \n" + + "4: //dot_kernel_F10: \n" + " "KERNEL_F1" \n" + " subs "J", "J", #1 \n" + " bne 4b //dot_kernel_F10 \n" + " b 9f //dot_kernel_L999 \n" + + "5: //dot_kernel_S_BEGIN: \n" + " lsl "INC_X", "INC_X", "INC_SHIFT" \n" + " lsl "INC_Y", "INC_Y", "INC_SHIFT" \n" + " asr "J", "N", #2 \n" + " cmp "J", xzr \n" + " ble 7f //dot_kernel_S1 \n" + + "6: //dot_kernel_S4: \n" + " "KERNEL_F1" \n" + " "KERNEL_F1" \n" + " "KERNEL_F1" \n" + " "KERNEL_F1" \n" + " subs "J", "J", #1 \n" + " bne 6b //dot_kernel_S4 \n" + + "7: //dot_kernel_S1: \n" + " ands "J", "N", #3 \n" + " ble 9f //dot_kernel_L999 \n" + + "8: //dot_kernel_S10: \n" + " "KERNEL_F1" \n" + " subs "J", "J", #1 \n" + " bne 8b //dot_kernel_S10 \n" + + "9: //dot_kernel_L999: \n" + " str "DOTF", [%[DOTR_]] \n" + " str "DOTI", [%[DOTI_]] \n" + + : + : [DOTR_] "r" (&dotr), //%0 + [DOTI_] "r" (&doti), //%1 + [N_] "r" (n), //%2 + [X_] "r" (x), //%3 + [INCX_] "r" (inc_x), //%4 + [Y_] "r" (y), //%5 + [INCY_] "r" (inc_y) //%6 + : "cc", + "memory", + "x0", "x1", "x2", "x3", "x4", "x5", + "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", + "v16", "v17", "v18", "v19", "v20", "v21", "v22", + "v23", "v24", "v25", "v26", "v27", "v28", "v29", + "v30", "v31" + ); +#ifdef _MSC_VER + CREAL(*result) = dotr; + CIMAG(*result) = doti; +#else + cf=OPENBLAS_MAKE_COMPLEX_FLOAT(dotr, doti); + *result = cf; +#endif + return; +} + +#if defined(SMP) +static int zdot_thread_function(BLASLONG n, BLASLONG dummy0, + BLASLONG dummy1, FLOAT dummy2, FLOAT *x, BLASLONG inc_x, FLOAT *y, + BLASLONG inc_y, FLOAT *result, BLASLONG dummy3) +{ + zdot_compute(n, x, inc_x, y, inc_y, (void *)result); + + return 0; +} +#endif + +OPENBLAS_COMPLEX_FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y) +{ +#if defined(SMP) + int nthreads; + FLOAT dummy_alpha; +#endif +#ifdef _MSC_VER + OPENBLAS_COMPLEX_FLOAT zdot; + CREAL(zdot) = 0.0; + CIMAG(zdot) = 0.0; +#else + OPENBLAS_COMPLEX_FLOAT zdot = OPENBLAS_MAKE_COMPLEX_FLOAT(0.0,0.0); +#endif + +#if defined(SMP) + if (inc_x == 0 || inc_y == 0 || n <= 10000) + nthreads = 1; + else + nthreads = num_cpu_avail(1); + + if (nthreads == 1) { + zdot_compute(n, x, inc_x, y, inc_y, &zdot); + } else { + int mode, i; + char result[MAX_CPU_NUMBER * sizeof(double) * 2]; + OPENBLAS_COMPLEX_FLOAT *ptr; + +#if !defined(DOUBLE) + mode = BLAS_SINGLE | BLAS_COMPLEX; +#else + mode = BLAS_DOUBLE | BLAS_COMPLEX; +#endif + + blas_level1_thread_with_return_value(mode, n, 0, 0, &dummy_alpha, + x, inc_x, y, inc_y, result, 0, + ( void *)zdot_thread_function, nthreads); + + ptr = (OPENBLAS_COMPLEX_FLOAT *)result; + for (i = 0; i < nthreads; i++) { +#ifdef _MSC_VER + CREAL(zdot)+= CREAL(*ptr);CIMAG(zdot)+=CIMAG(*ptr); +#else + zdot = OPENBLAS_MAKE_COMPLEX_FLOAT (CREAL(zdot) + CREAL(*ptr), CIMAG(zdot) + CIMAG(*ptr)); +#endif + ptr = (void *)(((char *)ptr) + sizeof(double) * 2); + } + } +#else + zdot_compute(n, x, inc_x, y, inc_y, &zdot); +#endif + + return zdot; +} From ac2c66321dacf1eef76ba2bbde692d3f5694a59b Mon Sep 17 00:00:00 2001 From: Martin Kroeker Date: Fri, 19 Dec 2025 17:04:21 +0100 Subject: [PATCH 2/2] remove special handling of C/ZDOT for LLVM on WoA --- kernel/arm64/KERNEL.NEOVERSEN1 | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/kernel/arm64/KERNEL.NEOVERSEN1 b/kernel/arm64/KERNEL.NEOVERSEN1 index b50966f2f4..7afbb59dd9 100644 --- a/kernel/arm64/KERNEL.NEOVERSEN1 +++ b/kernel/arm64/KERNEL.NEOVERSEN1 @@ -102,18 +102,8 @@ ZNRM2KERNEL = znrm2.S DDOTKERNEL = dot.c SDOTKERNEL = dot.c -ifeq ($(OSNAME), WINNT) -ifeq ($(C_COMPILER), CLANG) -CDOTKERNEL = zdot.S -ZDOTKERNEL = zdot.S -else -CDOTKERNEL = zdot_thunderx2t99.c -ZDOTKERNEL = zdot_thunderx2t99.c -endif -else CDOTKERNEL = zdot_thunderx2t99.c ZDOTKERNEL = zdot_thunderx2t99.c -endif DSDOTKERNEL = dot.S DGEMM_BETA = dgemm_beta.S