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libyuv
Commit 0acc6771 authored by Frank Barchard's avatar Frank Barchard
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clang format / lint cleanup for arm scale functions 

TBR=kjellander@chromium.org
BUG=libyuv:725
TEST=lint

Change-Id: I76f777427f9b1458faba12796fb0011d8e3228d5
Reviewed-on: https://chromium-review.googlesource.com/646586Reviewed-by: 's avatarCheng Wang <wangcheng@google.com>
parent a826dd71
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README.chromium
View file @ 0acc6771
Name: libyuv Name: libyuv
URL: http://code.google.com/p/libyuv/ URL: http://code.google.com/p/libyuv/
Version: 1666 Version: 1667
License: BSD License: BSD
License File: LICENSE License File: LICENSE
......
include/libyuv/version.h
View file @ 0acc6771
...@@ -11,6 +11,6 @@ ...@@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ #ifndef INCLUDE_LIBYUV_VERSION_H_
#define INCLUDE_LIBYUV_VERSION_H_ #define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 1666 #define LIBYUV_VERSION 1667
#endif // INCLUDE_LIBYUV_VERSION_H_ #endif // INCLUDE_LIBYUV_VERSION_H_
source/scale_neon.cc
View file @ 0acc6771
...@@ -535,15 +535,13 @@ void ScaleAddRows_NEON(const uint8* src_ptr, ...@@ -535,15 +535,13 @@ void ScaleAddRows_NEON(const uint8* src_ptr,
); );
} }
// clang-format off
// TODO(Yang Zhang): Investigate less load instructions for // TODO(Yang Zhang): Investigate less load instructions for
// the x/dx stepping // the x/dx stepping
#define LOAD2_DATA8_LANE(n) \ #define LOAD2_DATA8_LANE(n) \
"lsr %5, %3, #16 \n" \ "lsr %5, %3, #16 \n" \
"add %6, %1, %5 \n" \ "add %6, %1, %5 \n" \
"add %3, %3, %4 \n" \ "add %3, %3, %4 \n" \
"vld2.8 {d6["#n"], d7["#n"]}, [%6] \n" "vld2.8 {d6[" #n "], d7[" #n "]}, [%6] \n"
// clang-format on
// The NEON version mimics this formula (from row_common.cc): // The NEON version mimics this formula (from row_common.cc):
// #define BLENDER(a, b, f) (uint8)((int)(a) + // #define BLENDER(a, b, f) (uint8)((int)(a) +
...@@ -719,7 +717,6 @@ void ScaleARGBRowDown2_NEON(const uint8* src_ptr, ...@@ -719,7 +717,6 @@ void ScaleARGBRowDown2_NEON(const uint8* src_ptr,
); );
} }
// 46: f964 018d vld4.32 {d16,d18,d20,d22}, [r4]! // 46: f964 018d vld4.32 {d16,d18,d20,d22}, [r4]!
// 4a: 3e04 subs r6, #4 // 4a: 3e04 subs r6, #4
// 4c: f964 118d vld4.32 {d17,d19,d21,d23}, [r4]! // 4c: f964 118d vld4.32 {d17,d19,d21,d23}, [r4]!
...@@ -727,7 +724,6 @@ void ScaleARGBRowDown2_NEON(const uint8* src_ptr, ...@@ -727,7 +724,6 @@ void ScaleARGBRowDown2_NEON(const uint8* src_ptr,
// 54: f942 038d vst2.32 {d16-d19}, [r2]! // 54: f942 038d vst2.32 {d16-d19}, [r2]!
// 58: d1f5 bne.n 46 <ScaleARGBRowDown2_C+0x46> // 58: d1f5 bne.n 46 <ScaleARGBRowDown2_C+0x46>
void ScaleARGBRowDown2Linear_NEON(const uint8* src_argb, void ScaleARGBRowDown2Linear_NEON(const uint8* src_argb,
ptrdiff_t src_stride, ptrdiff_t src_stride,
uint8* dst_argb, uint8* dst_argb,
...@@ -760,22 +756,18 @@ void ScaleARGBRowDown2Box_NEON(const uint8* src_ptr, ...@@ -760,22 +756,18 @@ void ScaleARGBRowDown2Box_NEON(const uint8* src_ptr,
"1: \n" "1: \n"
"vld4.8 {d0, d2, d4, d6}, [%0]! \n" // load 8 ARGB pixels. "vld4.8 {d0, d2, d4, d6}, [%0]! \n" // load 8 ARGB pixels.
"vld4.8 {d1, d3, d5, d7}, [%0]! \n" // load next 8 ARGB "vld4.8 {d1, d3, d5, d7}, [%0]! \n" // load next 8 ARGB
// pixels.
"subs %3, %3, #8 \n" // 8 processed per loop. "subs %3, %3, #8 \n" // 8 processed per loop.
"vpaddl.u8 q0, q0 \n" // B 16 bytes -> 8 shorts. "vpaddl.u8 q0, q0 \n" // B 16 bytes -> 8 shorts.
"vpaddl.u8 q1, q1 \n" // G 16 bytes -> 8 shorts. "vpaddl.u8 q1, q1 \n" // G 16 bytes -> 8 shorts.
"vpaddl.u8 q2, q2 \n" // R 16 bytes -> 8 shorts. "vpaddl.u8 q2, q2 \n" // R 16 bytes -> 8 shorts.
"vpaddl.u8 q3, q3 \n" // A 16 bytes -> 8 shorts. "vpaddl.u8 q3, q3 \n" // A 16 bytes -> 8 shorts.
"vld4.8 {d16, d18, d20, d22}, [%1]! \n" // load 8 more ARGB "vld4.8 {d16, d18, d20, d22}, [%1]! \n" // load 8 more ARGB
// pixels.
"vld4.8 {d17, d19, d21, d23}, [%1]! \n" // load last 8 ARGB "vld4.8 {d17, d19, d21, d23}, [%1]! \n" // load last 8 ARGB
// pixels.
"vpadal.u8 q0, q8 \n" // B 16 bytes -> 8 shorts. "vpadal.u8 q0, q8 \n" // B 16 bytes -> 8 shorts.
"vpadal.u8 q1, q9 \n" // G 16 bytes -> 8 shorts. "vpadal.u8 q1, q9 \n" // G 16 bytes -> 8 shorts.
"vpadal.u8 q2, q10 \n" // R 16 bytes -> 8 shorts. "vpadal.u8 q2, q10 \n" // R 16 bytes -> 8 shorts.
"vpadal.u8 q3, q11 \n" // A 16 bytes -> 8 shorts. "vpadal.u8 q3, q11 \n" // A 16 bytes -> 8 shorts.
"vrshrn.u16 d0, q0, #2 \n" // downshift, round and "vrshrn.u16 d0, q0, #2 \n" // round and pack to bytes
// pack
"vrshrn.u16 d1, q1, #2 \n" "vrshrn.u16 d1, q1, #2 \n"
"vrshrn.u16 d2, q2, #2 \n" "vrshrn.u16 d2, q2, #2 \n"
"vrshrn.u16 d3, q3, #2 \n" "vrshrn.u16 d3, q3, #2 \n"
...@@ -825,8 +817,7 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb, ...@@ -825,8 +817,7 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb,
"mov r12, %4, lsl #2 \n" "mov r12, %4, lsl #2 \n"
"add %1, %1, %0 \n" "add %1, %1, %0 \n"
"1: \n" "1: \n"
"vld1.8 {d0}, [%0], r12 \n" // Read 4 2x2 blocks -> "vld1.8 {d0}, [%0], r12 \n" // 4 2x2 blocks -> 2x1
// 2x1
"vld1.8 {d1}, [%1], r12 \n" "vld1.8 {d1}, [%1], r12 \n"
"vld1.8 {d2}, [%0], r12 \n" "vld1.8 {d2}, [%0], r12 \n"
"vld1.8 {d3}, [%1], r12 \n" "vld1.8 {d3}, [%1], r12 \n"
...@@ -855,7 +846,6 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb, ...@@ -855,7 +846,6 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb,
: "memory", "cc", "r12", "q0", "q1", "q2", "q3"); : "memory", "cc", "r12", "q0", "q1", "q2", "q3");
} }
// clang-format off
// TODO(Yang Zhang): Investigate less load instructions for // TODO(Yang Zhang): Investigate less load instructions for
// the x/dx stepping // the x/dx stepping
#define LOAD1_DATA32_LANE(dn, n) \ #define LOAD1_DATA32_LANE(dn, n) \
...@@ -863,7 +853,6 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb, ...@@ -863,7 +853,6 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb,
"add %6, %1, %5, lsl #2 \n" \ "add %6, %1, %5, lsl #2 \n" \
"add %3, %3, %4 \n" \ "add %3, %3, %4 \n" \
"vld1.32 {" #dn "[" #n "]}, [%6] \n" "vld1.32 {" #dn "[" #n "]}, [%6] \n"
// clang-format on
void ScaleARGBCols_NEON(uint8* dst_argb, void ScaleARGBCols_NEON(uint8* dst_argb,
const uint8* src_argb, const uint8* src_argb,
...@@ -873,14 +862,19 @@ void ScaleARGBCols_NEON(uint8* dst_argb, ...@@ -873,14 +862,19 @@ void ScaleARGBCols_NEON(uint8* dst_argb,
int tmp; int tmp;
const uint8* src_tmp = src_argb; const uint8* src_tmp = src_argb;
asm volatile( asm volatile(
"1: \n" LOAD1_DATA32_LANE( "1: \n"
d0, 0) LOAD1_DATA32_LANE(d0, 1) LOAD1_DATA32_LANE(d1, 0) // clang-format off
LOAD1_DATA32_LANE(d1, 1) LOAD1_DATA32_LANE(d2, 0) LOAD1_DATA32_LANE( LOAD1_DATA32_LANE(d0, 0)
d2, 1) LOAD1_DATA32_LANE(d3, 0) LOAD1_DATA32_LANE(d3, 1) LOAD1_DATA32_LANE(d0, 1)
LOAD1_DATA32_LANE(d1, 0)
LOAD1_DATA32_LANE(d1, 1)
LOAD1_DATA32_LANE(d2, 0)
LOAD1_DATA32_LANE(d2, 1)
LOAD1_DATA32_LANE(d3, 0)
LOAD1_DATA32_LANE(d3, 1)
// clang-format on
"vst1.32 {q0, q1}, [%0]! \n" // store pixels "vst1.32 {q0, q1}, [%0]! \n" // store pixels
"subs %2, %2, #8 \n" // 8 processed per "subs %2, %2, #8 \n" // 8 processed per loop
// loop
"bgt 1b \n" "bgt 1b \n"
: "+r"(dst_argb), // %0 : "+r"(dst_argb), // %0
"+r"(src_argb), // %1 "+r"(src_argb), // %1
...@@ -895,7 +889,6 @@ void ScaleARGBCols_NEON(uint8* dst_argb, ...@@ -895,7 +889,6 @@ void ScaleARGBCols_NEON(uint8* dst_argb,
#undef LOAD1_DATA32_LANE #undef LOAD1_DATA32_LANE
// clang-format off
// TODO(Yang Zhang): Investigate less load instructions for // TODO(Yang Zhang): Investigate less load instructions for
// the x/dx stepping // the x/dx stepping
#define LOAD2_DATA32_LANE(dn1, dn2, n) \ #define LOAD2_DATA32_LANE(dn1, dn2, n) \
...@@ -903,7 +896,6 @@ void ScaleARGBCols_NEON(uint8* dst_argb, ...@@ -903,7 +896,6 @@ void ScaleARGBCols_NEON(uint8* dst_argb,
"add %6, %1, %5, lsl #2 \n" \ "add %6, %1, %5, lsl #2 \n" \
"add %3, %3, %4 \n" \ "add %3, %3, %4 \n" \
"vld2.32 {" #dn1 "[" #n "], " #dn2 "[" #n "]}, [%6] \n" "vld2.32 {" #dn1 "[" #n "], " #dn2 "[" #n "]}, [%6] \n"
// clang-format on
void ScaleARGBFilterCols_NEON(uint8* dst_argb, void ScaleARGBFilterCols_NEON(uint8* dst_argb,
const uint8* src_argb, const uint8* src_argb,
......
source/scale_neon64.cc
View file @ 0acc6771
...@@ -51,8 +51,8 @@ void ScaleRowDown2Linear_NEON(const uint8* src_ptr, ...@@ -51,8 +51,8 @@ void ScaleRowDown2Linear_NEON(const uint8* src_ptr,
"1: \n" "1: \n"
// load even pixels into v0, odd into v1 // load even pixels into v0, odd into v1
"ld2 {v0.16b,v1.16b}, [%0], #32 \n" "ld2 {v0.16b,v1.16b}, [%0], #32 \n"
"urhadd v0.16b, v0.16b, v1.16b \n" // rounding half add
"subs %w2, %w2, #16 \n" // 16 processed per loop "subs %w2, %w2, #16 \n" // 16 processed per loop
"urhadd v0.16b, v0.16b, v1.16b \n" // rounding half add
"st1 {v0.16b}, [%1], #16 \n" "st1 {v0.16b}, [%1], #16 \n"
"b.gt 1b \n" "b.gt 1b \n"
: "+r"(src_ptr), // %0 : "+r"(src_ptr), // %0
...@@ -156,8 +156,7 @@ void ScaleRowDown34_NEON(const uint8* src_ptr, ...@@ -156,8 +156,7 @@ void ScaleRowDown34_NEON(const uint8* src_ptr,
"1: \n" "1: \n"
"ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // src line 0 "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // src line 0
"subs %w2, %w2, #24 \n" "subs %w2, %w2, #24 \n"
"orr v2.16b, v3.16b, v3.16b \n" // order v0, v1, "orr v2.16b, v3.16b, v3.16b \n" // order v0,v1,v2
// v2
"st3 {v0.8b,v1.8b,v2.8b}, [%1], #24 \n" "st3 {v0.8b,v1.8b,v2.8b}, [%1], #24 \n"
"b.gt 1b \n" "b.gt 1b \n"
: "+r"(src_ptr), // %0 : "+r"(src_ptr), // %0
...@@ -550,7 +549,6 @@ void ScaleAddRows_NEON(const uint8* src_ptr, ...@@ -550,7 +549,6 @@ void ScaleAddRows_NEON(const uint8* src_ptr,
); );
} }
// clang-format off
// TODO(Yang Zhang): Investigate less load instructions for // TODO(Yang Zhang): Investigate less load instructions for
// the x/dx stepping // the x/dx stepping
#define LOAD2_DATA8_LANE(n) \ #define LOAD2_DATA8_LANE(n) \
...@@ -558,7 +556,6 @@ void ScaleAddRows_NEON(const uint8* src_ptr, ...@@ -558,7 +556,6 @@ void ScaleAddRows_NEON(const uint8* src_ptr,
"add %6, %1, %5 \n" \ "add %6, %1, %5 \n" \
"add %3, %3, %4 \n" \ "add %3, %3, %4 \n" \
"ld2 {v4.b, v5.b}[" #n "], [%6] \n" "ld2 {v4.b, v5.b}[" #n "], [%6] \n"
// clang-format on
// The NEON version mimics this formula (from row_common.cc): // The NEON version mimics this formula (from row_common.cc):
// #define BLENDER(a, b, f) (uint8)((int)(a) + // #define BLENDER(a, b, f) (uint8)((int)(a) +
...@@ -572,8 +569,8 @@ void ScaleFilterCols_NEON(uint8* dst_ptr, ...@@ -572,8 +569,8 @@ void ScaleFilterCols_NEON(uint8* dst_ptr,
int dx_offset[4] = {0, 1, 2, 3}; int dx_offset[4] = {0, 1, 2, 3};
int* tmp = dx_offset; int* tmp = dx_offset;
const uint8* src_tmp = src_ptr; const uint8* src_tmp = src_ptr;
int64 x64 = (int64)x; int64 x64 = (int64)x; // NOLINT
int64 dx64 = (int64)dx; int64 dx64 = (int64)dx; // NOLINT
asm volatile ( asm volatile (
"dup v0.4s, %w3 \n" // x "dup v0.4s, %w3 \n" // x
"dup v1.4s, %w4 \n" // dx "dup v1.4s, %w4 \n" // dx
...@@ -769,15 +766,12 @@ void ScaleARGBRowDown2Box_NEON(const uint8* src_ptr, ...@@ -769,15 +766,12 @@ void ScaleARGBRowDown2Box_NEON(const uint8* src_ptr,
"add %1, %1, %0 \n" "add %1, %1, %0 \n"
"1: \n" "1: \n"
"ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 8 ARGB "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 8 ARGB
// pixels.
"subs %w3, %w3, #8 \n" // 8 processed per loop. "subs %w3, %w3, #8 \n" // 8 processed per loop.
"uaddlp v0.8h, v0.16b \n" // B 16 bytes -> 8 shorts. "uaddlp v0.8h, v0.16b \n" // B 16 bytes -> 8 shorts.
"uaddlp v1.8h, v1.16b \n" // G 16 bytes -> 8 shorts. "uaddlp v1.8h, v1.16b \n" // G 16 bytes -> 8 shorts.
"uaddlp v2.8h, v2.16b \n" // R 16 bytes -> 8 shorts. "uaddlp v2.8h, v2.16b \n" // R 16 bytes -> 8 shorts.
"uaddlp v3.8h, v3.16b \n" // A 16 bytes -> 8 shorts. "uaddlp v3.8h, v3.16b \n" // A 16 bytes -> 8 shorts.
"ld4 {v16.16b,v17.16b,v18.16b,v19.16b}, [%1], #64 \n" // load 8 "ld4 {v16.16b,v17.16b,v18.16b,v19.16b}, [%1], #64 \n" // load 8
// more ARGB
// pixels.
"uadalp v0.8h, v16.16b \n" // B 16 bytes -> 8 shorts. "uadalp v0.8h, v16.16b \n" // B 16 bytes -> 8 shorts.
"uadalp v1.8h, v17.16b \n" // G 16 bytes -> 8 shorts. "uadalp v1.8h, v17.16b \n" // G 16 bytes -> 8 shorts.
"uadalp v2.8h, v18.16b \n" // R 16 bytes -> 8 shorts. "uadalp v2.8h, v18.16b \n" // R 16 bytes -> 8 shorts.
...@@ -867,7 +861,6 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb, ...@@ -867,7 +861,6 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb,
: "memory", "cc", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16"); : "memory", "cc", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16");
} }
// clang-format off
// TODO(Yang Zhang): Investigate less load instructions for // TODO(Yang Zhang): Investigate less load instructions for
// the x/dx stepping // the x/dx stepping
#define LOAD1_DATA32_LANE(vn, n) \ #define LOAD1_DATA32_LANE(vn, n) \
...@@ -875,7 +868,6 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb, ...@@ -875,7 +868,6 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb,
"add %6, %1, %5, lsl #2 \n" \ "add %6, %1, %5, lsl #2 \n" \
"add %3, %3, %4 \n" \ "add %3, %3, %4 \n" \
"ld1 {" #vn ".s}[" #n "], [%6] \n" "ld1 {" #vn ".s}[" #n "], [%6] \n"
// clang-format on
void ScaleARGBCols_NEON(uint8* dst_argb, void ScaleARGBCols_NEON(uint8* dst_argb,
const uint8* src_argb, const uint8* src_argb,
...@@ -883,15 +875,21 @@ void ScaleARGBCols_NEON(uint8* dst_argb, ...@@ -883,15 +875,21 @@ void ScaleARGBCols_NEON(uint8* dst_argb,
int x, int x,
int dx) { int dx) {
const uint8* src_tmp = src_argb; const uint8* src_tmp = src_argb;
int64 x64 = (int64)x; int64 x64 = (int64)x; // NOLINT
int64 dx64 = (int64)dx; int64 dx64 = (int64)dx; // NOLINT
int64 tmp64; int64 tmp64;
asm volatile( asm volatile(
"1: \n" LOAD1_DATA32_LANE( "1: \n"
v0, 0) LOAD1_DATA32_LANE(v0, 1) LOAD1_DATA32_LANE(v0, 2) // clang-format off
LOAD1_DATA32_LANE(v0, 3) LOAD1_DATA32_LANE(v1, 0) LOAD1_DATA32_LANE( LOAD1_DATA32_LANE(v0, 0)
v1, 1) LOAD1_DATA32_LANE(v1, 2) LOAD1_DATA32_LANE(v1, 3) LOAD1_DATA32_LANE(v0, 1)
LOAD1_DATA32_LANE(v0, 2)
LOAD1_DATA32_LANE(v0, 3)
LOAD1_DATA32_LANE(v1, 0)
LOAD1_DATA32_LANE(v1, 1)
LOAD1_DATA32_LANE(v1, 2)
LOAD1_DATA32_LANE(v1, 3)
// clang-format on
"st1 {v0.4s, v1.4s}, [%0], #32 \n" // store pixels "st1 {v0.4s, v1.4s}, [%0], #32 \n" // store pixels
"subs %w2, %w2, #8 \n" // 8 processed per "subs %w2, %w2, #8 \n" // 8 processed per
// loop // loop
...@@ -909,7 +907,6 @@ void ScaleARGBCols_NEON(uint8* dst_argb, ...@@ -909,7 +907,6 @@ void ScaleARGBCols_NEON(uint8* dst_argb,
#undef LOAD1_DATA32_LANE #undef LOAD1_DATA32_LANE
// clang-format off
// TODO(Yang Zhang): Investigate less load instructions for // TODO(Yang Zhang): Investigate less load instructions for
// the x/dx stepping // the x/dx stepping
#define LOAD2_DATA32_LANE(vn1, vn2, n) \ #define LOAD2_DATA32_LANE(vn1, vn2, n) \
...@@ -917,7 +914,6 @@ void ScaleARGBCols_NEON(uint8* dst_argb, ...@@ -917,7 +914,6 @@ void ScaleARGBCols_NEON(uint8* dst_argb,
"add %6, %1, %5, lsl #2 \n" \ "add %6, %1, %5, lsl #2 \n" \
"add %3, %3, %4 \n" \ "add %3, %3, %4 \n" \
"ld2 {" #vn1 ".s, " #vn2 ".s}[" #n "], [%6] \n" "ld2 {" #vn1 ".s, " #vn2 ".s}[" #n "], [%6] \n"
// clang-format on
void ScaleARGBFilterCols_NEON(uint8* dst_argb, void ScaleARGBFilterCols_NEON(uint8* dst_argb,
const uint8* src_argb, const uint8* src_argb,
...@@ -927,8 +923,8 @@ void ScaleARGBFilterCols_NEON(uint8* dst_argb, ...@@ -927,8 +923,8 @@ void ScaleARGBFilterCols_NEON(uint8* dst_argb,
int dx_offset[4] = {0, 1, 2, 3}; int dx_offset[4] = {0, 1, 2, 3};
int* tmp = dx_offset; int* tmp = dx_offset;
const uint8* src_tmp = src_argb; const uint8* src_tmp = src_argb;
int64 x64 = (int64)x; int64 x64 = (int64)x; // NOLINT
int64 dx64 = (int64)dx; int64 dx64 = (int64)dx; // NOLINT
asm volatile ( asm volatile (
"dup v0.4s, %w3 \n" // x "dup v0.4s, %w3 \n" // x
"dup v1.4s, %w4 \n" // dx "dup v1.4s, %w4 \n" // dx
......
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