diff options
Diffstat (limited to 'src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4/generic.cpp')
-rw-r--r-- | src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4/generic.cpp | 460 |
1 files changed, 236 insertions, 224 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4/generic.cpp b/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4/generic.cpp index 0a881ffde3..2e60833e08 100644 --- a/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4/generic.cpp +++ b/src/core/NEON/kernels/arm_gemm/kernels/a64_gemm_u8_4x4/generic.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2018 ARM Limited. + * Copyright (c) 2017 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -27,243 +27,255 @@ #include "../../asmlib.hpp" -namespace arm_gemm -{ -void a64_gemm_u8_4x4(const uint8_t *Apanel, const uint8_t *Bpanel, uint32_t *Cpanel, int ablocks, int bblocks, int K) -{ +namespace arm_gemm { + +void a64_gemm_u8_4x4(const uint8_t *Apanel, const uint8_t *Bpanel, uint32_t *Cpanel, int ablocks, int bblocks, int K) { const uint8_t *a_ptr = Apanel; - uint32_t *c_ptr = Cpanel; + uint32_t *c_ptr = Cpanel; K /= 16; - for(int yb = 0; yb < ablocks; yb++) - { + for (int yb=0; yb<ablocks; yb++) { const uint8_t *a_ptr0 = a_ptr; - const uint8_t *b_ptr = Bpanel; + const uint8_t *b_ptr = Bpanel; - for(int xb = 0; xb < bblocks; xb++) - { + for (int xb=0; xb<bblocks; xb++) { a_ptr = a_ptr0; - int k = K - 1; - - register uint8x16_t b0 asm("v4"); - register uint8x16_t b1 asm("v5"); - register uint8x16_t b2 asm("v6"); - register uint8x16_t b3 asm("v7"); - - __asm __volatile( - "movi v16.4s, #0x0\n" - "ldr q0, [%[a_ptr]]\n" - "movi v17.4s, #0x0\n" - "ldr %q[b0], [%[b_ptr]]\n" - "movi v18.4s, #0x0\n" - "ldr %q[b1], [%[b_ptr], #16]\n" - "movi v19.4s, #0x0\n" - "ldr %q[b2], [%[b_ptr], #32]\n" - "movi v20.4s, #0x0\n" - "ldr %q[b3], [%[b_ptr], #48]\n" - "movi v21.4s, #0x0\n" - "ldr q1, [%[a_ptr], #16]\n" - "movi v22.4s, #0x0\n" - "ldr q2, [%[a_ptr], #32]\n" - "movi v23.4s, #0x0\n" - "ldr q3, [%[a_ptr], #48]\n" - "movi v24.4s, #0x0\n" ASM_PREFETCH("[%[b_ptr], #64]") "movi v25.4s, #0x0\n" ASM_PREFETCH("[%[a_ptr], #64]") "movi v26.4s, #0x0\n" ASM_PREFETCH("[%[b_ptr], #128]") "movi v27.4s, #0x0\n" - ASM_PREFETCH("[%[a_ptr], #128]") "movi v28.4s, #0x0\n" ASM_PREFETCH("[%[b_ptr], #192]") "movi v29.4s, #0x0\n" ASM_PREFETCH("[%[a_ptr], #192]") "movi v30.4s, #0x0\n" - ASM_PREFETCH("[%[b_ptr], #256]") "movi v31.4s, #0x0\n" ASM_PREFETCH("[%[a_ptr], #256]") - - "umull v12.8h, v0.8b, %[b0].8b\n" - "add %[a_ptr], %[a_ptr], #64\n" - "umull v13.8h, v0.8b, %[b1].8b\n" - "umull v14.8h, v0.8b, %[b2].8b\n" - "add %[b_ptr], %[b_ptr], #64\n" - "umull v15.8h, v0.8b, %[b3].8b\n" + int k = K-1; + + register uint8x16_t b0 asm("v4"); + register uint8x16_t b1 asm("v5"); + register uint8x16_t b2 asm("v6"); + register uint8x16_t b3 asm("v7"); + + __asm __volatile ( + "movi v16.4s, #0x0\n" + "ldr q0, [%[a_ptr]]\n" + "movi v17.4s, #0x0\n" + "ldr %q[b0], [%[b_ptr]]\n" + "movi v18.4s, #0x0\n" + "ldr %q[b1], [%[b_ptr], #16]\n" + "movi v19.4s, #0x0\n" + "ldr %q[b2], [%[b_ptr], #32]\n" + "movi v20.4s, #0x0\n" + "ldr %q[b3], [%[b_ptr], #48]\n" + "movi v21.4s, #0x0\n" + "ldr q1, [%[a_ptr], #16]\n" + "movi v22.4s, #0x0\n" + "ldr q2, [%[a_ptr], #32]\n" + "movi v23.4s, #0x0\n" + "ldr q3, [%[a_ptr], #48]\n" + "movi v24.4s, #0x0\n" + ASM_PREFETCH("[%[b_ptr], #64]") + "movi v25.4s, #0x0\n" + ASM_PREFETCH("[%[a_ptr], #64]") + "movi v26.4s, #0x0\n" + ASM_PREFETCH("[%[b_ptr], #128]") + "movi v27.4s, #0x0\n" + ASM_PREFETCH("[%[a_ptr], #128]") + "movi v28.4s, #0x0\n" + ASM_PREFETCH("[%[b_ptr], #192]") + "movi v29.4s, #0x0\n" + ASM_PREFETCH("[%[a_ptr], #192]") + "movi v30.4s, #0x0\n" + ASM_PREFETCH("[%[b_ptr], #256]") + "movi v31.4s, #0x0\n" + ASM_PREFETCH("[%[a_ptr], #256]") + + "umull v12.8h, v0.8b, %[b0].8b\n" + "add %[a_ptr], %[a_ptr], #64\n" + "umull v13.8h, v0.8b, %[b1].8b\n" + "umull v14.8h, v0.8b, %[b2].8b\n" + "add %[b_ptr], %[b_ptr], #64\n" + "umull v15.8h, v0.8b, %[b3].8b\n" // Skip loop if we are doing zero iterations of it. - "cbz %w[k], 2f\n" + "cbz %w[k], 2f\n" "1:\n" - "uadalp v16.4s, v12.8h\n" - "umull2 v12.8h, v0.16b, %[b0].16b\n" - "uadalp v17.4s, v13.8h\n" - "umull2 v13.8h, v0.16b, %[b1].16b\n" - "uadalp v18.4s, v14.8h\n" - "umull2 v14.8h, v0.16b, %[b2].16b\n" - "uadalp v19.4s, v15.8h\n" - "umull2 v15.8h, v0.16b, %[b3].16b\n" - "ldr q0, [%[a_ptr]]\n" - - "uadalp v16.4s, v12.8h\n" - "umull v12.8h, v1.8b, %[b0].8b\n" - "uadalp v17.4s, v13.8h\n" - "umull v13.8h, v1.8b, %[b1].8b\n" - "subs %w[k], %w[k], #1\n" - "uadalp v18.4s, v14.8h\n" - "umull v14.8h, v1.8b, %[b2].8b\n" - "uadalp v19.4s, v15.8h\n" - "umull v15.8h, v1.8b, %[b3].8b\n" - - "uadalp v20.4s, v12.8h\n" - "umull2 v12.8h, v1.16b, %[b0].16b\n" - "uadalp v21.4s, v13.8h\n" - "umull2 v13.8h, v1.16b, %[b1].16b\n" ASM_PREFETCH("[%[a_ptr], #256]") - "uadalp v22.4s, v14.8h\n" - "umull2 v14.8h, v1.16b, %[b2].16b\n" - "uadalp v23.4s, v15.8h\n" - "umull2 v15.8h, v1.16b, %[b3].16b\n" - "ldr q1, [%[a_ptr], #16]\n" - - "uadalp v20.4s, v12.8h\n" - "umull v12.8h, v2.8b, %[b0].8b\n" - "uadalp v21.4s, v13.8h\n" - "umull v13.8h, v2.8b, %[b1].8b\n" ASM_PREFETCH("[%[b_ptr], #256]") - "uadalp v22.4s, v14.8h\n" - "umull v14.8h, v2.8b, %[b2].8b\n" - "uadalp v23.4s, v15.8h\n" - "umull v15.8h, v2.8b, %[b3].8b\n" - - "uadalp v24.4s, v12.8h\n" - "umull2 v12.8h, v2.16b, %[b0].16b\n" - "uadalp v25.4s, v13.8h\n" - "umull2 v13.8h, v2.16b, %[b1].16b\n" - "uadalp v26.4s, v14.8h\n" - "umull2 v14.8h, v2.16b, %[b2].16b\n" - "uadalp v27.4s, v15.8h\n" - "umull2 v15.8h, v2.16b, %[b3].16b\n" - "ldr q2, [%[a_ptr], #32]\n" - - "uadalp v24.4s, v12.8h\n" - "umull v12.8h, v3.8b, %[b0].8b\n" - "uadalp v25.4s, v13.8h\n" - "umull v13.8h, v3.8b, %[b1].8b\n" - "uadalp v26.4s, v14.8h\n" - "umull v14.8h, v3.8b, %[b2].8b\n" - "uadalp v27.4s, v15.8h\n" - "umull v15.8h, v3.8b, %[b3].8b\n" - - "uadalp v28.4s, v12.8h\n" - "umull2 v12.8h, v3.16b, %[b0].16b\n" - "ldr %q[b0], [%[b_ptr]]\n" - "uadalp v29.4s, v13.8h\n" - "umull2 v13.8h, v3.16b, %[b1].16b\n" - "ldr %q[b1], [%[b_ptr], #16]\n" - "uadalp v30.4s, v14.8h\n" - "umull2 v14.8h, v3.16b, %[b2].16b\n" - "ldr %q[b2], [%[b_ptr], #32]\n" - "uadalp v31.4s, v15.8h\n" - "umull2 v15.8h, v3.16b, %[b3].16b\n" - "ldr %q[b3], [%[b_ptr], #48]\n" - - "uadalp v28.4s, v12.8h\n" - "umull v12.8h, v0.8b, %[b0].8b\n" - "add %[b_ptr], %[b_ptr], #64\n" - "uadalp v29.4s, v13.8h\n" - "umull v13.8h, v0.8b, %[b1].8b\n" - "ldr q3, [%[a_ptr], #48]\n" - "uadalp v30.4s, v14.8h\n" - "umull v14.8h, v0.8b, %[b2].8b\n" - "add %[a_ptr], %[a_ptr], #64\n" - "uadalp v31.4s, v15.8h\n" - "umull v15.8h, v0.8b, %[b3].8b\n" - "bne 1b\n" + "uadalp v16.4s, v12.8h\n" + "umull2 v12.8h, v0.16b, %[b0].16b\n" + "uadalp v17.4s, v13.8h\n" + "umull2 v13.8h, v0.16b, %[b1].16b\n" + "uadalp v18.4s, v14.8h\n" + "umull2 v14.8h, v0.16b, %[b2].16b\n" + "uadalp v19.4s, v15.8h\n" + "umull2 v15.8h, v0.16b, %[b3].16b\n" + "ldr q0, [%[a_ptr]]\n" + + "uadalp v16.4s, v12.8h\n" + "umull v12.8h, v1.8b, %[b0].8b\n" + "uadalp v17.4s, v13.8h\n" + "umull v13.8h, v1.8b, %[b1].8b\n" + "subs %w[k], %w[k], #1\n" + "uadalp v18.4s, v14.8h\n" + "umull v14.8h, v1.8b, %[b2].8b\n" + "uadalp v19.4s, v15.8h\n" + "umull v15.8h, v1.8b, %[b3].8b\n" + + "uadalp v20.4s, v12.8h\n" + "umull2 v12.8h, v1.16b, %[b0].16b\n" + "uadalp v21.4s, v13.8h\n" + "umull2 v13.8h, v1.16b, %[b1].16b\n" + ASM_PREFETCH("[%[a_ptr], #256]") + "uadalp v22.4s, v14.8h\n" + "umull2 v14.8h, v1.16b, %[b2].16b\n" + "uadalp v23.4s, v15.8h\n" + "umull2 v15.8h, v1.16b, %[b3].16b\n" + "ldr q1, [%[a_ptr], #16]\n" + + "uadalp v20.4s, v12.8h\n" + "umull v12.8h, v2.8b, %[b0].8b\n" + "uadalp v21.4s, v13.8h\n" + "umull v13.8h, v2.8b, %[b1].8b\n" + ASM_PREFETCH("[%[b_ptr], #256]") + "uadalp v22.4s, v14.8h\n" + "umull v14.8h, v2.8b, %[b2].8b\n" + "uadalp v23.4s, v15.8h\n" + "umull v15.8h, v2.8b, %[b3].8b\n" + + "uadalp v24.4s, v12.8h\n" + "umull2 v12.8h, v2.16b, %[b0].16b\n" + "uadalp v25.4s, v13.8h\n" + "umull2 v13.8h, v2.16b, %[b1].16b\n" + "uadalp v26.4s, v14.8h\n" + "umull2 v14.8h, v2.16b, %[b2].16b\n" + "uadalp v27.4s, v15.8h\n" + "umull2 v15.8h, v2.16b, %[b3].16b\n" + "ldr q2, [%[a_ptr], #32]\n" + + "uadalp v24.4s, v12.8h\n" + "umull v12.8h, v3.8b, %[b0].8b\n" + "uadalp v25.4s, v13.8h\n" + "umull v13.8h, v3.8b, %[b1].8b\n" + "uadalp v26.4s, v14.8h\n" + "umull v14.8h, v3.8b, %[b2].8b\n" + "uadalp v27.4s, v15.8h\n" + "umull v15.8h, v3.8b, %[b3].8b\n" + + "uadalp v28.4s, v12.8h\n" + "umull2 v12.8h, v3.16b, %[b0].16b\n" + "ldr %q[b0], [%[b_ptr]]\n" + "uadalp v29.4s, v13.8h\n" + "umull2 v13.8h, v3.16b, %[b1].16b\n" + "ldr %q[b1], [%[b_ptr], #16]\n" + "uadalp v30.4s, v14.8h\n" + "umull2 v14.8h, v3.16b, %[b2].16b\n" + "ldr %q[b2], [%[b_ptr], #32]\n" + "uadalp v31.4s, v15.8h\n" + "umull2 v15.8h, v3.16b, %[b3].16b\n" + "ldr %q[b3], [%[b_ptr], #48]\n" + + "uadalp v28.4s, v12.8h\n" + "umull v12.8h, v0.8b, %[b0].8b\n" + "add %[b_ptr], %[b_ptr], #64\n" + "uadalp v29.4s, v13.8h\n" + "umull v13.8h, v0.8b, %[b1].8b\n" + "ldr q3, [%[a_ptr], #48]\n" + "uadalp v30.4s, v14.8h\n" + "umull v14.8h, v0.8b, %[b2].8b\n" + "add %[a_ptr], %[a_ptr], #64\n" + "uadalp v31.4s, v15.8h\n" + "umull v15.8h, v0.8b, %[b3].8b\n" + "bne 1b\n" // Branch target "2:\n" - "uadalp v16.4s, v12.8h\n" - "umull2 v12.8h, v0.16b, %[b0].16b\n" - "uadalp v17.4s, v13.8h\n" - "umull2 v13.8h, v0.16b, %[b1].16b\n" - "uadalp v18.4s, v14.8h\n" - "umull2 v14.8h, v0.16b, %[b2].16b\n" - "uadalp v19.4s, v15.8h\n" - "umull2 v15.8h, v0.16b, %[b3].16b\n" - - "uadalp v16.4s, v12.8h\n" - "umull v12.8h, v1.8b, %[b0].8b\n" - "uadalp v17.4s, v13.8h\n" - "umull v13.8h, v1.8b, %[b1].8b\n" - "uadalp v18.4s, v14.8h\n" - "umull v14.8h, v1.8b, %[b2].8b\n" - "uadalp v19.4s, v15.8h\n" - "umull v15.8h, v1.8b, %[b3].8b\n" - - "uadalp v20.4s, v12.8h\n" - "umull2 v12.8h, v1.16b, %[b0].16b\n" - "uadalp v21.4s, v13.8h\n" - "umull2 v13.8h, v1.16b, %[b1].16b\n" - "uadalp v22.4s, v14.8h\n" - "umull2 v14.8h, v1.16b, %[b2].16b\n" - "uadalp v23.4s, v15.8h\n" - "umull2 v15.8h, v1.16b, %[b3].16b\n" - - "uadalp v20.4s, v12.8h\n" - "umull v12.8h, v2.8b, %[b0].8b\n" - "uadalp v21.4s, v13.8h\n" - "umull v13.8h, v2.8b, %[b1].8b\n" - "uadalp v22.4s, v14.8h\n" - "umull v14.8h, v2.8b, %[b2].8b\n" - "uadalp v23.4s, v15.8h\n" - "umull v15.8h, v2.8b, %[b3].8b\n" - - "uadalp v24.4s, v12.8h\n" - "umull2 v12.8h, v2.16b, %[b0].16b\n" - "uadalp v25.4s, v13.8h\n" - "umull2 v13.8h, v2.16b, %[b1].16b\n" - "uadalp v26.4s, v14.8h\n" - "umull2 v14.8h, v2.16b, %[b2].16b\n" - "uadalp v27.4s, v15.8h\n" - "umull2 v15.8h, v2.16b, %[b3].16b\n" - - "uadalp v24.4s, v12.8h\n" - "umull v12.8h, v3.8b, %[b0].8b\n" - "uadalp v25.4s, v13.8h\n" - "umull v13.8h, v3.8b, %[b1].8b\n" - "uadalp v26.4s, v14.8h\n" - "umull v14.8h, v3.8b, %[b2].8b\n" - "uadalp v27.4s, v15.8h\n" - "umull v15.8h, v3.8b, %[b3].8b\n" - - "uadalp v28.4s, v12.8h\n" - "umull2 v12.8h, v3.16b, %[b0].16b\n" - "uadalp v29.4s, v13.8h\n" - "umull2 v13.8h, v3.16b, %[b1].16b\n" - "uadalp v30.4s, v14.8h\n" - "umull2 v14.8h, v3.16b, %[b2].16b\n" - "uadalp v31.4s, v15.8h\n" - "umull2 v15.8h, v3.16b, %[b3].16b\n" - - "uadalp v28.4s, v12.8h\n" - "uadalp v29.4s, v13.8h\n" - "uadalp v30.4s, v14.8h\n" - "uadalp v31.4s, v15.8h\n" - - "addp v16.4s, v16.4s, v17.4s\n" - "addp v17.4s, v18.4s, v19.4s\n" - "addp v18.4s, v20.4s, v21.4s\n" - "addp v19.4s, v22.4s, v23.4s\n" - "addp v20.4s, v24.4s, v25.4s\n" - "addp v21.4s, v26.4s, v27.4s\n" - "addp v22.4s, v28.4s, v29.4s\n" - "addp v23.4s, v30.4s, v31.4s\n" - - "addp v16.4s, v16.4s, v17.4s\n" - "addp v17.4s, v18.4s, v19.4s\n" - "addp v18.4s, v20.4s, v21.4s\n" - "addp v19.4s, v22.4s, v23.4s\n" - - "str q16, [%[c_ptr]]\n" - "str q17, [%[c_ptr], #16]\n" - "str q18, [%[c_ptr], #32]\n" - "str q19, [%[c_ptr], #48]\n" - "add %[c_ptr], %[c_ptr], #64\n" - - : - [a_ptr] "+r"(a_ptr), [b_ptr] "+r"(b_ptr), [c_ptr] "+r"(c_ptr), - [b0] "+w"(b0), [b1] "+w"(b1), [b2] "+w"(b2), [b3] "+w"(b3), - [k] "+r"(k) - : - : "x20", "x21", "v0", "v1", "v2", "v3", "v12", "v13", "v14", "v15", "v16", "v17", "v18", "v19", - "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "cc"); + "uadalp v16.4s, v12.8h\n" + "umull2 v12.8h, v0.16b, %[b0].16b\n" + "uadalp v17.4s, v13.8h\n" + "umull2 v13.8h, v0.16b, %[b1].16b\n" + "uadalp v18.4s, v14.8h\n" + "umull2 v14.8h, v0.16b, %[b2].16b\n" + "uadalp v19.4s, v15.8h\n" + "umull2 v15.8h, v0.16b, %[b3].16b\n" + + "uadalp v16.4s, v12.8h\n" + "umull v12.8h, v1.8b, %[b0].8b\n" + "uadalp v17.4s, v13.8h\n" + "umull v13.8h, v1.8b, %[b1].8b\n" + "uadalp v18.4s, v14.8h\n" + "umull v14.8h, v1.8b, %[b2].8b\n" + "uadalp v19.4s, v15.8h\n" + "umull v15.8h, v1.8b, %[b3].8b\n" + + "uadalp v20.4s, v12.8h\n" + "umull2 v12.8h, v1.16b, %[b0].16b\n" + "uadalp v21.4s, v13.8h\n" + "umull2 v13.8h, v1.16b, %[b1].16b\n" + "uadalp v22.4s, v14.8h\n" + "umull2 v14.8h, v1.16b, %[b2].16b\n" + "uadalp v23.4s, v15.8h\n" + "umull2 v15.8h, v1.16b, %[b3].16b\n" + + "uadalp v20.4s, v12.8h\n" + "umull v12.8h, v2.8b, %[b0].8b\n" + "uadalp v21.4s, v13.8h\n" + "umull v13.8h, v2.8b, %[b1].8b\n" + "uadalp v22.4s, v14.8h\n" + "umull v14.8h, v2.8b, %[b2].8b\n" + "uadalp v23.4s, v15.8h\n" + "umull v15.8h, v2.8b, %[b3].8b\n" + + "uadalp v24.4s, v12.8h\n" + "umull2 v12.8h, v2.16b, %[b0].16b\n" + "uadalp v25.4s, v13.8h\n" + "umull2 v13.8h, v2.16b, %[b1].16b\n" + "uadalp v26.4s, v14.8h\n" + "umull2 v14.8h, v2.16b, %[b2].16b\n" + "uadalp v27.4s, v15.8h\n" + "umull2 v15.8h, v2.16b, %[b3].16b\n" + + "uadalp v24.4s, v12.8h\n" + "umull v12.8h, v3.8b, %[b0].8b\n" + "uadalp v25.4s, v13.8h\n" + "umull v13.8h, v3.8b, %[b1].8b\n" + "uadalp v26.4s, v14.8h\n" + "umull v14.8h, v3.8b, %[b2].8b\n" + "uadalp v27.4s, v15.8h\n" + "umull v15.8h, v3.8b, %[b3].8b\n" + + "uadalp v28.4s, v12.8h\n" + "umull2 v12.8h, v3.16b, %[b0].16b\n" + "uadalp v29.4s, v13.8h\n" + "umull2 v13.8h, v3.16b, %[b1].16b\n" + "uadalp v30.4s, v14.8h\n" + "umull2 v14.8h, v3.16b, %[b2].16b\n" + "uadalp v31.4s, v15.8h\n" + "umull2 v15.8h, v3.16b, %[b3].16b\n" + + "uadalp v28.4s, v12.8h\n" + "uadalp v29.4s, v13.8h\n" + "uadalp v30.4s, v14.8h\n" + "uadalp v31.4s, v15.8h\n" + + "addp v16.4s, v16.4s, v17.4s\n" + "addp v17.4s, v18.4s, v19.4s\n" + "addp v18.4s, v20.4s, v21.4s\n" + "addp v19.4s, v22.4s, v23.4s\n" + "addp v20.4s, v24.4s, v25.4s\n" + "addp v21.4s, v26.4s, v27.4s\n" + "addp v22.4s, v28.4s, v29.4s\n" + "addp v23.4s, v30.4s, v31.4s\n" + + "addp v16.4s, v16.4s, v17.4s\n" + "addp v17.4s, v18.4s, v19.4s\n" + "addp v18.4s, v20.4s, v21.4s\n" + "addp v19.4s, v22.4s, v23.4s\n" + + "str q16, [%[c_ptr]]\n" + "str q17, [%[c_ptr], #16]\n" + "str q18, [%[c_ptr], #32]\n" + "str q19, [%[c_ptr], #48]\n" + "add %[c_ptr], %[c_ptr], #64\n" + + : + [a_ptr] "+r" (a_ptr), [b_ptr] "+r" (b_ptr), [c_ptr] "+r" (c_ptr), + [b0] "+w" (b0), [b1] "+w" (b1), [b2] "+w" (b2), [b3] "+w" (b3), + [k] "+r" (k) + : + : "x20", "x21", "v0","v1","v2","v3","v12","v13","v14","v15","v16","v17","v18","v19", + "v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31", "cc"); } } } |