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This commit is contained in:
Kartik Agaram 2020-03-12 00:45:17 -07:00
parent b50c0e3279
commit ff0f216b41
2 changed files with 65 additions and 3 deletions
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@ -2303,6 +2303,54 @@ test-convert-length-of-array:
5d/pop-to-ebp
c3/return
test-convert-length-of-array-on-stack:
# . prologue
55/push-ebp
89/<- %ebp 4/r32/esp
# setup
(clear-stream _test-input-stream)
(clear-stream $_test-input-buffered-file->buffer)
(clear-stream _test-output-stream)
(clear-stream $_test-output-buffered-file->buffer)
#
(write _test-input-stream "fn foo {\n")
(write _test-input-stream " var a: (array int 3)\n")
(write _test-input-stream " var b/eax: int <- length a\n")
(write _test-input-stream "}\n")
# convert
(convert-mu _test-input-buffered-file _test-output-buffered-file)
(flush _test-output-buffered-file)
#? # dump _test-output-stream {{{
#? (write 2 "^")
#? (write-stream 2 _test-output-stream)
#? (write 2 "$\n")
#? (rewind-stream _test-output-stream)
#? # }}}
# check output
(check-next-stream-line-equal _test-output-stream "foo:" "F - test-convert-length-of-array-on-stack/0")
(check-next-stream-line-equal _test-output-stream " # . prologue" "F - test-convert-length-of-array-on-stack/1")
(check-next-stream-line-equal _test-output-stream " 55/push-ebp" "F - test-convert-length-of-array-on-stack/2")
(check-next-stream-line-equal _test-output-stream " 89/<- %ebp 4/r32/esp" "F - test-convert-length-of-array-on-stack/3")
(check-next-stream-line-equal _test-output-stream " {" "F - test-convert-length-of-array-on-stack/4")
(check-next-stream-line-equal _test-output-stream "$foo:0x00000001:loop:" "F - test-convert-length-of-array-on-stack/5")
# define x
(check-next-stream-line-equal _test-output-stream " (push-n-zero-bytes 0x0000000c)" "F - test-convert-length-of-array-on-stack/6")
(check-next-stream-line-equal _test-output-stream " 68/push 0x0000000c/imm32" "F - test-convert-length-of-array-on-stack/7")
(check-next-stream-line-equal _test-output-stream " ff 6/subop/push %eax" "F - test-convert-length-of-array-on-stack/8")
(check-next-stream-line-equal _test-output-stream " 8b/copy-from *(ebp+0xfffffff0) 0x00000000/r32" "F - test-convert-length-of-array-on-stack/9")
(check-next-stream-line-equal _test-output-stream " 8f 0/subop/pop %eax" "F - test-convert-length-of-array-on-stack/10")
(check-next-stream-line-equal _test-output-stream " 81 0/subop/add %esp 0x00000010/imm32" "F - test-convert-length-of-array-on-stack/11")
(check-next-stream-line-equal _test-output-stream " }" "F - test-convert-length-of-array-on-stack/12")
(check-next-stream-line-equal _test-output-stream "$foo:0x00000001:break:" "F - test-convert-length-of-array-on-stack/13")
(check-next-stream-line-equal _test-output-stream " # . epilogue" "F - test-convert-length-of-array-on-stack/14")
(check-next-stream-line-equal _test-output-stream " 89/<- %esp 5/r32/ebp" "F - test-convert-length-of-array-on-stack/15")
(check-next-stream-line-equal _test-output-stream " 5d/pop-to-ebp" "F - test-convert-length-of-array-on-stack/16")
(check-next-stream-line-equal _test-output-stream " c3/return" "F - test-convert-length-of-array-on-stack/17")
# . epilogue
89/<- %esp 5/r32/ebp
5d/pop-to-ebp
c3/return
test-convert-index-into-array:
# . prologue
55/push-ebp
@ -7479,11 +7527,25 @@ translate-mu-length-stmt: # out: (address buffered-file), stmt: (handle stmt)
#
(emit-indent *(ebp+8) *Curr-block-depth)
(write-buffered *(ebp+8) "8b/copy-from *")
# inouts[0]->register
# var base/eax: (handle var) = inouts[0]
8b/-> *(ecx+8) 0/r32/eax # Stmt1-inouts or Regvardef-inouts
8b/-> *eax 0/r32/eax # Stmt-var-value
(write-buffered *(ebp+8) *(eax+0x10)) # Var-register => eax
#
# if base is an (address array ...) in a register
{
81 7/subop/compare *(eax+0x10)) 0/imm32 # Var-register
74/jump-if-= break/disp8
(write-buffered *(ebp+8) *(eax+0x10)) # Var-register
eb/jump $translate-mu-length-stmt:emit-output/disp8
}
# otherwise if base is an (array ...) on the stack
{
81 7/subop/compare *(eax+0xc)) 0/imm32 # Var-offset
74/jump-if-= break/disp8
(write-buffered *(ebp+8) "(ebp+")
(print-int32-buffered *(ebp+8) *(eax+0xc)) # Var-offset
(write-buffered *(ebp+8) ")")
}
$translate-mu-length-stmt:emit-output:
(write-buffered *(ebp+8) " ")
# outputs[0] "/r32"
8b/-> *(ecx+0xc) 0/r32/eax # Stmt1-outputs