compiler 0.9.26 release

git-svn-id: svn://kolibrios.org@6429 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/ktcc/trunk/source/lib/alloca86.S

@@ -0,0 +1,35 @@
+/* ---------------------------------------------- */
+/* alloca86.S */
+
+.globl alloca
+
+alloca:
+    pop     %edx
+    pop     %eax
+    add     $3,%eax
+    and     $-4,%eax
+    jz      p3
+
+#ifdef TCC_TARGET_PE
+p1:
+    cmp     $4096,%eax
+    jbe     p2
+    test    %eax,-4096(%esp)
+    sub     $4096,%esp
+    sub     $4096,%eax
+    jmp p1
+p2:
+#endif
+
+    sub     %eax,%esp
+    mov     %esp,%eax
+p3:
+    push    %edx
+    push    %edx
+    ret
+
+/* mark stack as nonexecutable */
+#if defined __ELF__ && defined __linux__
+    .section    .note.GNU-stack,"",@progbits
+#endif
+/* ---------------------------------------------- */