--- trunk/reactos/subsys/win32k/dib/dib16bpp.c 2005-06-07 13:53:37 UTC (rev 15825)
+++ trunk/reactos/subsys/win32k/dib/dib16bpp.c 2005-06-07 15:09:02 UTC (rev 15826)
@@ -90,7 +90,39 @@
VOID
DIB_16BPP_VLine(SURFOBJ *SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
-{
+{ /* 2610-2700 */
+#ifdef _M_IX86
+ asm volatile(
+ " testl %2, %2" "\n\t"
+ " jle 2f" "\n\t"
+ " movl %2, %%ecx" "\n\t"
+ " shr $2, %2" "\n\t"
+ " andl $3, %%ecx" "\n\t"
+ " jz 1f" "\n\t"
+ "0:" "\n\t"
+ " movw %%ax, (%0)" "\n\t"
+ " addl %1, %0" "\n\t"
+ " decl %%ecx" "\n\t"
+ " jnz 0b" "\n\t"
+ " testl %2, %2" "\n\t"
+ " jz 2f" "\n\t"
+ "1:" "\n\t"
+ " movw %%ax, (%0)" "\n\t"
+ " addl %1, %0" "\n\t"
+ " movw %%ax, (%0)" "\n\t"
+ " addl %1, %0" "\n\t"
+ " movw %%ax, (%0)" "\n\t"
+ " addl %1, %0" "\n\t"
+ " movw %%ax, (%0)" "\n\t"
+ " addl %1, %0" "\n\t"
+ " decl %2" "\n\t"
+ " jnz 1b" "\n\t"
+ "2:" "\n\t"
+ : /* no output */
+ : "r"(SurfObj->pvScan0 + (y1 * SurfObj->lDelta) + (x * sizeof (WORD))),
+ "r"(SurfObj->lDelta), "r"(y2 - y1), "a"(c)
+ : "cc", "memory", "%ecx");
+#else
PBYTE byteaddr = SurfObj->pvScan0 + y1 * SurfObj->lDelta;
PWORD addr = (PWORD)byteaddr + x;
LONG lDelta = SurfObj->lDelta;
@@ -102,6 +134,7 @@
byteaddr += lDelta;
addr = (PWORD)byteaddr;
}
+#endif
}
BOOLEAN