remove slow implementation

riscvarchive · Mar 18, 2019 · 077c4c5 · 077c4c5
1 parent b9b77f2
commit 077c4c5
Show file tree

Hide file tree

Showing 2 changed files with 0 additions and 56 deletions.
diff --git a/newlib/libc/machine/riscv/memcpy32_speed.c b/newlib/libc/machine/riscv/memcpy32_speed.c
@@ -32,18 +32,10 @@ static void memcpy_4_1(uint8_t *des, const uint8_t *src)
 
 static void memcpy_4_2(uint8_t *des, const uint8_t *src)
 {
-#if 1
   uint16_t temp2 = ((const uint16_t *)src)[0];
   uint16_t temp3 = ((const uint16_t *)src)[1];
   ((uint16_t *)des)[0] = temp2;
   ((uint16_t *)des)[1] = temp3;
-#else
-  uint32_t temp2 = ((const uint16_t *)src)[0];
-  uint32_t temp3 = ((const uint16_t *)src)[1];
-  temp3 <<= 16;
-  temp2 |= temp3;
-  ((uint32_t *)des)[0] = temp2;
-#endif
 }
 
 static void memcpy_4_3(uint8_t *des, const uint8_t *src)

diff --git a/newlib/libc/machine/riscv/memcpy64_speed.c b/newlib/libc/machine/riscv/memcpy64_speed.c
@@ -36,18 +36,11 @@ static void memcpy_4_1(uint8_t *des, const uint8_t *src)
 
 static void memcpy_4_2(uint8_t *des, const uint8_t *src)
 {
-#if 1
   uint32_t temp2 = ((const uint16_t *)src)[0];
   uint32_t temp3 = ((const uint16_t *)src)[1];
   temp3 <<= 16;
   temp2 |= temp3;
   ((uint32_t *)des)[0] = temp2;
-#else
-  uint16_t temp2 = ((const uint16_t *)src)[0];
-  uint16_t temp3 = ((const uint16_t *)src)[1];
-  ((uint16_t *)des)[0] = temp2;
-  ((uint16_t *)des)[1] = temp3;
-#endif
 }
 
 #define memcpy_4_6 memcpy_4_2
@@ -80,82 +73,41 @@ static void memcpy_8_1(uint8_t *des, const uint8_t *src)
 
 static void memcpy_8_2(uint8_t *des, const uint8_t *src)
 {
-#if 1
   uint64_t temp2 = ((const uint64_t *)(src - 2))[0];
   uint64_t temp3 = ((const uint16_t *)src)[3];
   temp2 >>= 16;
   temp3 <<= 48;
   temp2 |= temp3;
   ((uint64_t *)des)[0] = temp2;
-#else
-  uint16_t temp2 = ((const uint16_t *)src)[0];
-  uint16_t temp3 = ((const uint16_t *)src)[1];
-  uint16_t temp4 = ((const uint16_t *)src)[2];
-  uint16_t temp5 = ((const uint16_t *)src)[3];
-  ((uint16_t *)des)[0] = temp2;
-  ((uint16_t *)des)[1] = temp3;
-  ((uint16_t *)des)[2] = temp4;
-  ((uint16_t *)des)[3] = temp5;
-#endif
 }
 
 static void memcpy_8_3(uint8_t *des, const uint8_t *src)
 {
-#if 1
   uint64_t temp2 = ((const uint64_t *)(src - 3))[0];
   uint64_t temp4 = ((const uint32_t *)(src + 5))[0];
   temp2 >>= 24;
   temp4 <<= 40;
   temp2 |= temp4;
   ((uint64_t *)des)[0] = temp2;
-#else
-  uint64_t temp2 = src[0];
-  uint64_t temp3 = ((const uint32_t *)(src + 1))[0];
-  uint64_t temp4 = ((const uint32_t *)(src + 5))[0];
-  temp3 <<= 8;
-  temp4 <<= 40;
-  temp2 |= temp3;
-  temp2 |= temp4;
-  ((uint64_t *)des)[0] = temp2;
-#endif
 }
 
 static void memcpy_8_4(uint8_t *des, const uint8_t *src)
 {
-#if 1
   uint64_t temp2 = ((const uint32_t *)src)[0];
   uint64_t temp3 = ((const uint32_t *)(src + 4))[0];
   temp3 <<= 32;
   temp2 |= temp3;
   ((uint64_t *)des)[0] = temp2;
-#else
-  uint32_t temp2 = ((const uint32_t *)src)[0];
-  uint32_t temp3 = ((const uint32_t *)(src + 4))[0];
-  ((uint32_t *)des)[0] = temp2;
-  ((uint32_t *)des)[1] = temp3;
-#endif
 }
 
 static void memcpy_8_5(uint8_t *des, const uint8_t *src)
 {
-#if 1
   uint64_t temp2 = ((const uint32_t *)(src - 1))[0];
   uint64_t temp3 = ((const uint64_t *)(src + 3))[0];
   temp2 >>= 8;
   temp3 <<= 24;
   temp2 |= temp3;
   ((uint64_t *)des)[0] = temp2;
-#else
-  uint64_t temp2 = ((const uint32_t *)(src - 1))[0];
-  uint64_t temp3 = ((const uint32_t *)(src + 3))[0];
-  uint64_t temp4 = (src + 7)[0];
-  temp2 >>= 8;
-  temp3 <<= 24;
-  temp4 <<= 56;
-  temp2 |= temp3;
-  temp2 |= temp4;
-  ((uint64_t *)des)[0] = temp2;
-#endif
 }
 
 static void memcpy_8_6(uint8_t *des, const uint8_t *src)