[SDK] One step further towards ReactOS source code tree restructure: the sdk folder...

[reactos.git] / reactos / lib / sdk / crt / math / amd64 / ceilf.S

diff --git a/reactos/lib/sdk/crt/math/amd64/ceilf.S b/reactos/lib/sdk/crt/math/amd64/ceilf.S
deleted file mode 100644 (file)
index 6063ddb..0000000
--- a/reactos/lib/sdk/crt/math/amd64/ceilf.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * COPYRIGHT:         See COPYING in the top level directory
- * PROJECT:           ReactOS system libraries
- * PURPOSE:           Implementation of tan
- * FILE:              lib/sdk/crt/math/amd64/ceilf.S
- * PROGRAMMER:        Timo Kreuzer (timo.kreuzer@reactos.org)
- */
-
-/* INCLUDES ******************************************************************/
-
-#include <asm.inc>
-#include <ksamd64.inc>
-
-/* CODE **********************************************************************/
-.code64
-
-PUBLIC ceilf
-FUNC ceilf
-    sub rsp, 16
-    .ENDPROLOG
-
-    /* Duplicate the bits into eax (zero exteneded to rax) */
-    movd eax, xmm0
-
-    /* Invert the sign bit */
-    xor eax, HEX(80000000)
-
-    /* Copy back to xmm0 */
-    movd xmm0, eax
-
-    /* Truncate xmm0 to integer (single precision) */
-    cvttss2si rcx, xmm0
-
-    /* Shift all bits to the right, keeping the sign bit */
-    shr rax, 31
-
-    /* Add the sign bit from the truncated value, so that
-       we get the correct result for negative values. */
-    add rcx, rax
-
-    /* Now compensate for the previous negation */
-    neg ecx
-
-    /* Convert the result back to xmm0 (single precision) */
-    cvtsi2ss xmm0, rcx
-
-    add rsp, 16
-    ret
-ENDFUNC
-
-END