1 files changed, 0 insertions, 88 deletions
diff --git a/apps/factorial4.subx b/apps/factorial4.subx
deleted file mode 100644
index a22c7246..00000000
--- a/apps/factorial4.subx
+++ /dev/null
@@ -1,88 +0,0 @@
-## compute the factorial of 5, and return the result in the exit code
-#
-# Uses syntax sugar for:
-#   rm32 operands
-#   function calls
-#   control flow
-#
-# To run:
-#   $ ./translate_subx init.linux [01]*.subx apps/factorial.subx -o apps/factorial
-#   $ ./bootstrap run apps/factorial
-# Expected result:
-#   $ echo $?
-#   120
-#
-# You can also run the automated test suite:
-#   $ ./bootstrap run apps/factorial test
-# Expected output:
-#   ........
-# Every '.' indicates a passing test. Failing tests get a 'F'.
-#
-# Compare apps/factorial3.subx
-
-== code
-
-factorial:  # n: int -> _/eax: int
-    # . prologue
-    55/push-ebp
-    89/<- %ebp 4/r32/esp
-    # save registers
-    51/push-ecx
-    # if (n <= 1) return 1
-    81 7/subop/compare *(ebp+8) 1/imm32
-    {
-      7f/jump-if-> break/disp8
-      b8/copy-to-eax 1/imm32
-      eb/jump $factorial:end/disp8
-    }
-    # n > 1; return n * factorial(n-1)
-    8b/-> *(ebp+8) 1/r32/ecx
-    49/decrement-ecx
-    (factorial %ecx)  # => eax
-    f7 4/subop/multiply-into-eax *(ebp+8)
-    # TODO: check for overflow
-$factorial:end:
-    # restore registers
-    59/pop-to-ecx
-    # . epilogue
-    89/<- %esp 5/r32/ebp
-    5d/pop-to-ebp
-    c3/return
-
-test-factorial:
-    (factorial 5)
-    (check-ints-equal %eax 0x78 "F - test-factorial")
-    c3/return
-
-Entry:  # run tests if necessary, compute `factorial(5)` if not
-    # . prologue
-    89/<- %ebp 4/r32/esp
-
-    # initialize heap (needed by tests elsewhere)
-    (new-segment *Heap-size Heap)
-
-    # if (argc <= 1) return factorial(5)
-    {
-      # if (argc > 1) break
-      81 7/subop/compare *ebp 1/imm32
-      7f/jump-if-> break/disp8
-      # ebx = factorial(5)
-      (factorial 5)  # => eax
-      89/<- %ebx 0/r32/eax
-      eb/jump $main:end/disp8
-    }
-    # otherwise if first arg is "test", then return run_tests()
-    {
-      # if (!kernel-string-equal?(argv[1], "test")) break
-      (kernel-string-equal? *(ebp+8) "test")  # => eax
-      3d/compare-eax-and 0/imm32/false
-      74/jump-if-= break/disp8
-      #
-      (run-tests)
-      # exit(*Num-test-failures)
-      8b/-> *Num-test-failures 3/r32/ebx
-      eb/jump $main:end/disp8
-    }
-    bb/copy-to-ebx 0/imm32
-$main:end:
-    e8/call  syscall_exit/disp32