Updated Visual C++ build

--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403216
2008-09-15 07:34:36 +00:00 · 2008-09-15 07:34:36 +00:00 · 809f6ba3b4
commit 809f6ba3b4
parent 588cd82706
9 changed files with 284 additions and 36 deletions
--- a/src/stdlib/SDL_stdlib.c
+++ b/src/stdlib/SDL_stdlib.c
@ -638,6 +638,33 @@ RETZERO:
    /* *INDENT-ON* */
 }

+void
+__declspec(naked)
+_allshr()
+{
+    /* *INDENT-OFF* */
+    __asm {
+        cmp         cl,40h
+        jae         RETZERO
+        cmp         cl,20h
+        jae         MORE32
+        shrd        eax,edx,cl
+        sar         edx,cl
+        ret
+MORE32:
+        mov         eax,edx
+        xor         edx,edx
+        and         cl,1Fh
+        sar         eax,cl
+        ret
+RETZERO:
+        xor         eax,eax
+        xor         edx,edx
+        ret
+    }
+    /* *INDENT-ON* */
+}
+
 void
 __declspec(naked)
 _aullshr()