Remove sk_memcpy32

It's only implemented on x86, where the exisiting benchmark says memcpy() is
faster for all cases:

Timer overhead: 24ns
curr/maxrss    loops    min    median    mean    max    stddev    samples       config    bench
  10/10  MB    1    35.9µs    36.2µs    36.2µs    36.6µs    1%    ▁▂▄▅▅▃█▄▄▅    nonrendering    sk_memcpy32_100000
  10/10  MB    13    2.27µs    2.28µs    2.28µs    2.29µs    0%    █▄▃▅▃▁▃▅▁▄    nonrendering    sk_memcpy32_10000
  11/11  MB    677    91.6ns    95.9ns    94.5ns    99.4ns    3%    ▅▅▅▅▅█▁▁▁▁    nonrendering    sk_memcpy32_1000
  11/11  MB    1171    20ns    20.9ns    21.3ns    23.4ns    6%    ▁▁▇▃▃▃█▇▃▃    nonrendering    sk_memcpy32_100
  11/11  MB    1952    14ns    14ns    14.3ns    15.2ns    3%    ▁▁██▁▁▁▁▁▁    nonrendering    sk_memcpy32_10
  11/11  MB    5    33.6µs    33.7µs    34.1µs    35.2µs    2%    ▆▇█▁▁▁▁▁▁▁    nonrendering    memcpy32_memcpy_100000
  11/11  MB    18    2.12µs    2.22µs    2.24µs    2.39µs    5%    ▂█▄▇█▄▇▁▁▁    nonrendering    memcpy32_memcpy_10000
  11/11  MB    1112    87.3ns    87.3ns    89.1ns    93.7ns    3%    ▄██▄▁▁▁▁▁▁    nonrendering    memcpy32_memcpy_1000
  11/11  MB    2124    12.8ns    13.3ns    13.5ns    14.8ns    6%    ▁▁▁█▃▃█▇▃▃    nonrendering    memcpy32_memcpy_100
  11/11  MB    3077    9ns    9.41ns    9.52ns    10.2ns    4%    ▃█▁█▃▃▃▃▃▃    nonrendering    memcpy32_memcpy_10

(Why?  One fewer thing to port to SkOpts.)

BUG=skia:4117

Review URL: https://codereview.chromium.org/1256763003

1 files changed, 0 insertions, 14 deletions

diff --git a/src/core/SkUtils.cpp b/src/core/SkUtils.cpp
index 33ea4db47c..afd523d369 100644
--- a/src/core/SkUtils.cpp
+++ b/src/core/SkUtils.cpp
@@ -109,10 +109,6 @@ static void sk_memset32_portable(uint32_t dst[], uint32_t value, int count) {
     }
 }
 
-static void sk_memcpy32_portable(uint32_t dst[], const uint32_t src[], int count) {
-    memcpy(dst, src, count * sizeof(uint32_t));
-}
-
 namespace {
 // These three methods technically need external linkage to be passed as template parameters.
 // Since they can't be static, we hide them in an anonymous namespace instead.
@@ -127,11 +123,6 @@ SkMemset32Proc choose_memset32() {
     return proc ? proc : sk_memset32_portable;
 }
 
-SkMemcpy32Proc choose_memcpy32() {
-    SkMemcpy32Proc proc = SkMemcpy32GetPlatformProc();
-    return proc ? proc : sk_memcpy32_portable;
-}
-
 }  // namespace
 
 void sk_memset16_large(uint16_t dst[], uint16_t value, int count) {
@@ -144,11 +135,6 @@ void sk_memset32_large(uint32_t dst[], uint32_t value, int count) {
     proc.get()(dst, value, count);
 }
 
-void sk_memcpy32(uint32_t dst[], const uint32_t src[], int count) {
-    SK_DECLARE_STATIC_LAZY_FN_PTR(SkMemcpy32Proc, proc, choose_memcpy32);
-    proc.get()(dst, src, count);
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
 /*  0xxxxxxx    1 total