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9e41fafd0d
Buildfixing Move some file util files Buildfix Move KeyMap.cpp/h to Core where they belong better. libretro buildfix attempt Move ini_file More buildfixes
54 lines
2.8 KiB
ArmAsm
54 lines
2.8 KiB
ArmAsm
#include "ppsspp_config.h"
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#if PPSSPP_ARCH(ARM_NEON) && !PPSSPP_ARCH(ARM64)
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.syntax unified // Allow both ARM and Thumb-2 instructions
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.text
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.align 2 // Align the function code to a 4-byte (2^n) word boundary.
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.arm // Use ARM instructions instead of Thumb.
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@ From ARM samples
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@
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@ matrix_mul_float:
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@ Calculate 4x4 (matrix 0) * (matrix 1) and store to result 4x4 matrix.
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@ matrix 0, matrix 1 and result pointers can be the same,
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@ ie. my_matrix = my_matrix * my_matrix is possible.
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@
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@ r0 = pointer to 4x4 result matrix, single precision floats, column major order
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@ r1 = pointer to 4x4 matrix 0, single precision floats, column major order
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@ r2 = pointer to 4x4 matrix 1, single precision floats, column major order
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@
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.globl _fast_matrix_mul_4x4_neon
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_fast_matrix_mul_4x4_neon:
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.globl fast_matrix_mul_4x4_neon
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fast_matrix_mul_4x4_neon:
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vld1.32 {d16-d19}, [r1]! @ load first eight elements of matrix 0
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vld1.32 {d20-d23}, [r1]! @ load second eight elements of matrix 0
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vld1.32 {d0-d3}, [r2]! @ load first eight elements of matrix 1
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vld1.32 {d4-d7}, [r2]! @ load second eight elements of matrix 1
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vmul.f32 q12, q8, d0[0] @ rslt col0 = (mat0 col0) * (mat1 col0 elt0)
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vmul.f32 q13, q8, d2[0] @ rslt col1 = (mat0 col0) * (mat1 col1 elt0)
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vmul.f32 q14, q8, d4[0] @ rslt col2 = (mat0 col0) * (mat1 col2 elt0)
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vmul.f32 q15, q8, d6[0] @ rslt col3 = (mat0 col0) * (mat1 col3 elt0)
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vmla.f32 q12, q9, d0[1] @ rslt col0 += (mat0 col1) * (mat1 col0 elt1)
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vmla.f32 q13, q9, d2[1] @ rslt col1 += (mat0 col1) * (mat1 col1 elt1)
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vmla.f32 q14, q9, d4[1] @ rslt col2 += (mat0 col1) * (mat1 col2 elt1)
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vmla.f32 q15, q9, d6[1] @ rslt col3 += (mat0 col1) * (mat1 col3 elt1)
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vmla.f32 q12, q10, d1[0] @ rslt col0 += (mat0 col2) * (mat1 col0 elt2)
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vmla.f32 q13, q10, d3[0] @ rslt col1 += (mat0 col2) * (mat1 col1 elt2)
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vmla.f32 q14, q10, d5[0] @ rslt col2 += (mat0 col2) * (mat1 col2 elt2)
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vmla.f32 q15, q10, d7[0] @ rslt col3 += (mat0 col2) * (mat1 col2 elt2)
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vmla.f32 q12, q11, d1[1] @ rslt col0 += (mat0 col3) * (mat1 col0 elt3)
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vmla.f32 q13, q11, d3[1] @ rslt col1 += (mat0 col3) * (mat1 col1 elt3)
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vmla.f32 q14, q11, d5[1] @ rslt col2 += (mat0 col3) * (mat1 col2 elt3)
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vmla.f32 q15, q11, d7[1] @ rslt col3 += (mat0 col3) * (mat1 col3 elt3)
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vst1.32 {d24-d27}, [r0]! @ store first eight elements of result
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vst1.32 {d28-d31}, [r0]! @ store second eight elements of result
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bx lr
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#endif
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