Index: source/row_gcc.cc |
diff --git a/source/row_gcc.cc b/source/row_gcc.cc |
index 8020108d041ac71be101d3155b017a514ff42f21..bc15c771994e8777d8b307f77c5d1b655bf26709 100644 |
--- a/source/row_gcc.cc |
+++ b/source/row_gcc.cc |
@@ -5410,6 +5410,36 @@ void HalfFloatRow_F16C(const uint16* src, uint16* dst, float scale, int width) { |
} |
#endif // HAS_HALFFLOATROW_F16C |
+#ifdef HAS_HALFFLOATROW_F16C |
+void HalfFloat1Row_F16C(const uint16* src, uint16* dst, float, int width) { |
+ asm volatile ( |
+ // 16 pixel loop. |
+ LABELALIGN |
+ "1: \n" |
+ "vpmovzxwd " MEMACCESS(0) ",%%ymm2 \n" // 16 shorts -> 16 ints |
+ "vpmovzxwd " MEMACCESS2(0x10,0) ",%%ymm3 \n" |
+ "lea " MEMLEA(0x20,0) ",%0 \n" |
+ "vcvtdq2ps %%ymm2,%%ymm2 \n" |
+ "vcvtdq2ps %%ymm3,%%ymm3 \n" |
+ "vcvtps2ph $3, %%ymm2, %%xmm2 \n" |
+ "vcvtps2ph $3, %%ymm3, %%xmm3 \n" |
+ "vmovdqu %%xmm2," MEMACCESS(1) " \n" |
+ "vmovdqu %%xmm3," MEMACCESS2(0x10,1) " \n" |
+ "lea " MEMLEA(0x20,1) ",%1 \n" |
+ "sub $0x10,%2 \n" |
+ "jg 1b \n" |
+ |
+ "vzeroupper \n" |
+ : "+r"(src), // %0 |
+ "+r"(dst), // %1 |
+ "+r"(width) // %2 |
+ : |
+ : "memory", "cc", |
+ "xmm2", "xmm3" |
+ ); |
+} |
+#endif // HAS_HALFFLOATROW_F16C |
+ |
#ifdef HAS_ARGBCOLORTABLEROW_X86 |
// Tranform ARGB pixels with color table. |
void ARGBColorTableRow_X86(uint8* dst_argb, const uint8* table_argb, |