--- cvsroot/libcoro/coro.c	2010/04/02 19:18:01	1.51
+++ cvsroot/libcoro/coro.c	2010/04/02 20:21:21	1.52
@@ -117,6 +117,8 @@
        ".globl coro_transfer\n"
        ".type coro_transfer, @function\n"
        "coro_transfer:\n"
+       /* windows, of course, gives a shit on the amd64 ABI and uses different registers */
+       /* http://blogs.msdn.com/freik/archive/2005/03/17/398200.aspx */
        #if __amd64
          #define NUM_SAVED 6
          "\tpush %rbp\n"
@@ -126,16 +128,16 @@
          "\tpush %r14\n"
          "\tpush %r15\n"
          #if CORO_WIN_TIB
-           "\tpush %fs:0x0\n"
-           "\tpush %fs:0x8\n"
-           "\tpush %fs:0xc\n"
+           "\tpush %gs:0x0\n"
+           "\tpush %gs:0x8\n"
+           "\tpush %gs:0xc\n"
          #endif
          "\tmov  %rsp, (%rdi)\n"
          "\tmov  (%rsi), %rsp\n"
          #if CORO_WIN_TIB
-           "\tpop  %fs:0xc\n"
-           "\tpop  %fs:0x8\n"
-           "\tpop  %fs:0x0\n"
+           "\tpop  %gs:0xc\n"
+           "\tpop  %gs:0x8\n"
+           "\tpop  %gs:0x0\n"
          #endif
          "\tpop  %r15\n"
          "\tpop  %r14\n"