[CRT]

- Make all x86assembly ML compatible
- Remove memcpy, it was duplicated from memmove, copy the label instead
- Guard some code against compilation on msvc, as these functions are intrinsics on MSVC and cannot be implemented
- Fix some x64 assembly (don't modify stack below rsp)

svn path=/branches/cmake-bringup/; revision=49421

lib/sdk/crt/math/amd64/ceilf.S

@@ -17,24 +17,28 @@
 
 PUBLIC ceilf
 ceilf:
+    sub rsp, 16
+
     /* Put parameter on the stack */
-    movss [rsp - 0x10], xmm0
-    fld   dword ptr [rsp]
+    movss [rsp], xmm0
+    fld dword ptr [rsp]
 
     /* Change fpu control word to round up */
-    fstcw [rsp - 0x10]
-    mov   eax, [rsp - 0x10]
-    or    eax, 0x00800
-    and   eax, 0x0fbff
-    mov   [rsp - 0x08], eax
-    fldcw [rsp - 0x08]
+    fstcw [rsp + 8]
+    mov eax, [rsp + 8]
+    or  eax, 0x00800
+    and eax, 0x0fbff
+    mov [rsp + 12], eax
+    fldcw [rsp + 12]
 
     /* Round to integer */
     frndint
 
     /* Restore fpu control word */
-    fldcw [rsp - 0x10]
+    fldcw [rsp + 8]
 
-    fstp  dword ptr [rsp - 0x10]
-    movss xmm0, [rsp - 0x10]
+    fstp dword ptr [rsp]
+    movss xmm0, [rsp]
+    
+    add rsp, 16
     ret

lib/sdk/crt/math/amd64/floorf.S

@@ -17,24 +17,29 @@
 
 PUBLIC floorf
 floorf:
+    sub rsp, 16
+
     /* Put parameter on the stack */
-    movss [rsp - 0x10], xmm0
+    movss [rsp], xmm0
     fld   dword ptr [rsp]
 
     /* Change fpu control word to round down */
-    fstcw [rsp - 0x10]
-    mov   eax, [rsp - 0x10]
+    fstcw [rsp]
+    mov   eax, [rsp]
     or    eax, 0x00400
     and   eax, 0x0f7ff
-    mov   [rsp - 0x08], eax
-    fldcw [rsp - 0x08]
+    mov   [rsp + 8], eax
+    fldcw [rsp + 8]
 
     /* Round to integer */
     frndint
 
     /* Restore fpu control word */
-    fldcw [rsp - 0x10]
+    fldcw [rsp]
 
-    fstp  dword ptr [rsp - 0x10]
-    movss xmm0, [rsp - 0x10]
+    fstp  dword ptr [rsp]
+    movss xmm0, [rsp]
+    add rsp, 16
     ret
+
+END