coffee/libyuv
1
0
Fork 0
mirror of https://chromium.googlesource.com/libyuv/libyuv synced 2025-12-08 01:36:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

work arounds for ios 64 bit compiler where int passed into assembly needs to be explicitely cast to 'w' register.

Browse Source 
BUG=437
TESTED=local ios build
R=bcornell@google.com

Review URL: https://webrtc-codereview.appspot.com/49289004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1402 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2015-05-05 22:46:16 +00:00
parent b0f8352245
commit d3f51b58f0
1 changed files with 31 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
source/scale_neon64.cc
View File

@ -551,7 +551,7 @@ void ScaleAddRows_NEON(const uint8* src_ptr, ptrdiff_t src_stride,
asm volatile (
"1: \n"
"mov %0, %1 \n"
"mov x12, %5 \n"
"mov w12, %w5 \n"
"eor v2.16b, v2.16b, v2.16b \n"
"eor v3.16b, v3.16b, v3.16b \n"
"2: \n"
@ -560,7 +560,7 @@ void ScaleAddRows_NEON(const uint8* src_ptr, ptrdiff_t src_stride,
"ld1 {v0.16b}, [%0], %3 \n"
"uaddw2 v3.8h, v3.8h, v0.16b \n"
"uaddw v2.8h, v2.8h, v0.8b \n"
"subs x12, x12, #1 \n"
"subs w12, w12, #1 \n"
"b.gt 2b \n"
MEMACCESS(2)
"st1 {v2.8h, v3.8h}, [%2], #32 \n" // store pixels
@ -574,7 +574,7 @@ void ScaleAddRows_NEON(const uint8* src_ptr, ptrdiff_t src_stride,
"+r"(src_width), // %4
"+r"(src_height) // %5
:
: "memory", "cc", "x12", "v0", "v1", "v2", "v3" // Clobber List
: "memory", "cc", "w12", "v0", "v1", "v2", "v3" // Clobber List
);
}
@ -658,14 +658,14 @@ void ScaleFilterRows_NEON(uint8* dst_ptr,
int dst_width, int source_y_fraction) {
int y_fraction = 256 - source_y_fraction;
asm volatile (
"cmp %4, #0 \n"
"cmp %w4, #0 \n"
"b.eq 100f \n"
"add %2, %2, %1 \n"
"cmp %4, #64 \n"
"cmp %w4, #64 \n"
"b.eq 75f \n"
"cmp %4, #128 \n"
"cmp %w4, #128 \n"
"b.eq 50f \n"
"cmp %4, #192 \n"
"cmp %w4, #192 \n"
"b.eq 25f \n"
"dup v5.8b, %w4 \n"
@ -858,7 +858,7 @@ void ScaleARGBRowDownEven_NEON(const uint8* src_argb, ptrdiff_t src_stride,
: "+r"(src_argb), // %0
"+r"(dst_argb), // %1
"+r"(dst_width) // %2
: "r"(static_cast<ptrdiff_t>(src_stepx * 4)) // %3
: "r"((int64)(src_stepx * 4)) // %3
: "memory", "cc", "v0"
);
}
@ -874,35 +874,35 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb, ptrdiff_t src_stride,
"add %1, %1, %0 \n"
"1: \n"
MEMACCESS(0)
"ld1 {v0.8b}, [%0], %4 \n" // Read 4 2x2 blocks -> 2x1
"ld1 {v0.8b}, [%0], %4 \n" // Read 4 2x2 blocks -> 2x1
MEMACCESS(1)
"ld1 {v1.8b}, [%1], %4 \n"
"ld1 {v1.8b}, [%1], %4 \n"
MEMACCESS(0)
"ld1 {v2.8b}, [%0], %4 \n"
"ld1 {v2.8b}, [%0], %4 \n"
MEMACCESS(1)
"ld1 {v3.8b}, [%1], %4 \n"
"ld1 {v3.8b}, [%1], %4 \n"
MEMACCESS(0)
"ld1 {v4.8b}, [%0], %4 \n"
"ld1 {v4.8b}, [%0], %4 \n"
MEMACCESS(1)
"ld1 {v5.8b}, [%1], %4 \n"
"ld1 {v5.8b}, [%1], %4 \n"
MEMACCESS(0)
"ld1 {v6.8b}, [%0], %4 \n"
"ld1 {v6.8b}, [%0], %4 \n"
MEMACCESS(1)
"ld1 {v7.8b}, [%1], %4 \n"
"uaddl v0.8h, v0.8b, v1.8b \n"
"uaddl v2.8h, v2.8b, v3.8b \n"
"uaddl v4.8h, v4.8b, v5.8b \n"
"uaddl v6.8h, v6.8b, v7.8b \n"
"mov v16.d[1], v0.d[1] \n" // ab_cd -> ac_bd
"mov v0.d[1], v2.d[0] \n"
"mov v2.d[0], v16.d[1] \n"
"mov v16.d[1], v4.d[1] \n" // ef_gh -> eg_fh
"mov v4.d[1], v6.d[0] \n"
"mov v6.d[0], v16.d[1] \n"
"add v0.8h, v0.8h, v2.8h \n" // (a+b)_(c+d)
"add v4.8h, v4.8h, v6.8h \n" // (e+f)_(g+h)
"rshrn v0.8b, v0.8h, #2 \n" // first 2 pixels.
"rshrn2 v0.16b, v4.8h, #2 \n" // next 2 pixels.
"ld1 {v7.8b}, [%1], %4 \n"
"uaddl v0.8h, v0.8b, v1.8b \n"
"uaddl v2.8h, v2.8b, v3.8b \n"
"uaddl v4.8h, v4.8b, v5.8b \n"
"uaddl v6.8h, v6.8b, v7.8b \n"
"mov v16.d[1], v0.d[1] \n" // ab_cd -> ac_bd
"mov v0.d[1], v2.d[0] \n"
"mov v2.d[0], v16.d[1] \n"
"mov v16.d[1], v4.d[1] \n" // ef_gh -> eg_fh
"mov v4.d[1], v6.d[0] \n"
"mov v6.d[0], v16.d[1] \n"
"add v0.8h, v0.8h, v2.8h \n" // (a+b)_(c+d)
"add v4.8h, v4.8h, v6.8h \n" // (e+f)_(g+h)
"rshrn v0.8b, v0.8h, #2 \n" // first 2 pixels.
"rshrn2 v0.16b, v4.8h, #2 \n" // next 2 pixels.
"subs %w3, %w3, #4 \n" // 4 pixels per loop.
MEMACCESS(2)
"st1 {v0.16b}, [%2], #16 \n"
@ -911,7 +911,7 @@ void ScaleARGBRowDownEvenBox_NEON(const uint8* src_argb, ptrdiff_t src_stride,
"+r"(src_stride), // %1
"+r"(dst_argb), // %2
"+r"(dst_width) // %3
: "r"(src_stepx * 4) // %4
: "r"((int64)(src_stepx * 4)) // %4
: "memory", "cc", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16"
);
}