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author | Kartik Agaram <vc@akkartik.com> | 2020-11-15 17:24:38 -0800 |
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committer | Kartik Agaram <vc@akkartik.com> | 2020-11-15 17:24:38 -0800 |
commit | 0879555213d6b24234d3ec11bbc98e210586ec16 (patch) | |
tree | 11d9d78e69575f3e87dfee58d98ba5fa7cdfa290 /apps | |
parent | dcf004d51eaef17ff769d50b3998cecd4cc54fd1 (diff) | |
download | mu-0879555213d6b24234d3ec11bbc98e210586ec16.tar.gz |
7241 - mu.subx: check float registers
Diffstat (limited to 'apps')
-rwxr-xr-x | apps/mu | bin | 561285 -> 563343 bytes | |||
-rw-r--r-- | apps/mu.subx | 148 |
2 files changed, 148 insertions, 0 deletions
diff --git a/apps/mu b/apps/mu index 71ef3cb0..619faa48 100755 --- a/apps/mu +++ b/apps/mu Binary files differdiff --git a/apps/mu.subx b/apps/mu.subx index a00064b6..76765bcc 100644 --- a/apps/mu.subx +++ b/apps/mu.subx @@ -2422,6 +2422,95 @@ test-convert-function-with-local-var-in-reg: 5d/pop-to-ebp c3/return +test-float-var-in-wrong-register: + # . 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) + (clear-stream _test-error-stream) + (clear-stream $_test-error-buffered-file->buffer) + # var ed/edx: exit-descriptor = tailor-exit-descriptor(16) + 68/push 0/imm32 + 68/push 0/imm32 + 89/<- %edx 4/r32/esp + (tailor-exit-descriptor %edx 0x10) + # + (write _test-input-stream "fn foo {\n") + (write _test-input-stream " var x/eax: int <- copy 0\n") + (write _test-input-stream " var y/eax: float <- convert x\n") + (write _test-input-stream "}\n") + # convert + (convert-mu _test-input-buffered-file _test-output-buffered-file _test-error-buffered-file %edx) + # registers except esp clobbered at this point + # restore ed + 89/<- %edx 4/r32/esp + (flush _test-output-buffered-file) + (flush _test-error-buffered-file) +#? # dump _test-error-stream {{{ +#? (write 2 "^") +#? (write-stream 2 _test-error-stream) +#? (write 2 "$\n") +#? (rewind-stream _test-error-stream) +#? # }}} + # check output + (check-stream-equal _test-output-stream "" "F - test-float-var-in-wrong-register: output should be empty") + (check-next-stream-line-equal _test-error-stream "fn foo: float var 'y' should be in a floating-point register" "F - test-float-var-in-wrong-register: error message") + # check that stop(1) was called + (check-ints-equal *(edx+4) 2 "F - test-float-var-in-wrong-register: exit status") + # don't restore from ebp + 81 0/subop/add %esp 8/imm32 + # . epilogue + 5d/pop-to-ebp + c3/return + +test-non-float-var-in-wrong-register: + # . 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) + (clear-stream _test-error-stream) + (clear-stream $_test-error-buffered-file->buffer) + # var ed/edx: exit-descriptor = tailor-exit-descriptor(16) + 68/push 0/imm32 + 68/push 0/imm32 + 89/<- %edx 4/r32/esp + (tailor-exit-descriptor %edx 0x10) + # + (write _test-input-stream "fn foo {\n") + (write _test-input-stream " var x/xmm5: int <- copy 0\n") + (write _test-input-stream "}\n") + # convert + (convert-mu _test-input-buffered-file _test-output-buffered-file _test-error-buffered-file %edx) + # registers except esp clobbered at this point + # restore ed + 89/<- %edx 4/r32/esp + (flush _test-output-buffered-file) + (flush _test-error-buffered-file) +#? # dump _test-error-stream {{{ +#? (write 2 "^") +#? (write-stream 2 _test-error-stream) +#? (write 2 "$\n") +#? (rewind-stream _test-error-stream) +#? # }}} + # check output + (check-stream-equal _test-output-stream "" "F - test-non-float-var-in-wrong-register: output should be empty") + (check-next-stream-line-equal _test-error-stream "fn foo: non-float var 'x' should be in an integer register" "F - test-non-float-var-in-wrong-register: error message") + # check that stop(1) was called + (check-ints-equal *(edx+4) 2 "F - test-non-float-var-in-wrong-register: exit status") + # don't restore from ebp + 81 0/subop/add %esp 8/imm32 + # . epilogue + 5d/pop-to-ebp + c3/return + test-convert-function-with-allocate: # . prologue 55/push-ebp @@ -15378,6 +15467,26 @@ $parse-var-with-type:write-register: $parse-var-with-type:save-type: 8d/copy-address *(edi+8) 0/r32/eax # Var-type (parse-type Heap *(ebp+0xc) %eax *(ebp+0x18) *(ebp+0x1c)) +$parse-var-with-type:check-register: + (lookup *(edi+0x18) *(edi+0x1c)) # Var-register Var-register => eax + 3d/compare-eax-and 0/imm32 + 74/jump-if-= $parse-var-with-type:end/disp8 + (is-float-register? %eax) # => eax + { + 3d/compare-eax-and 0/imm32/false + 74/jump-if-= break/disp8 + # var is in a float register; ensure type is float + (lookup *(edi+8) *(edi+0xc)) # Var-type Var-type => eax + (is-simple-mu-type? %eax 0xf) # float => eax + 3d/compare-eax-and 0/imm32/false + 0f 84/jump-if-= $parse-var-with-type:error-non-float-in-floating-point-register/disp32 + eb/jump $parse-var-with-type:end/disp8 + } + # var is not in a float register; ensure type is not float + (lookup *(edi+8) *(edi+0xc)) # Var-type Var-type => eax + (is-simple-mu-type? %eax 0xf) # float => eax + 3d/compare-eax-and 0/imm32/false + 0f 85/jump-if-!= $parse-var-with-type:error-float-in-integer-register/disp32 $parse-var-with-type:end: # . reclaim locals 81 0/subop/add %esp 8/imm32 @@ -15406,6 +15515,45 @@ $parse-var-with-type:abort: (stop *(ebp+0x1c) 1) # never gets here +$parse-var-with-type:error-float-in-integer-register: + # error("fn " fn ": float var '" var "' should be in a floating-point register\n") + (write-buffered *(ebp+0x18) "fn ") + (write-buffered *(ebp+0x18) *(ebp+0x14)) + (write-buffered *(ebp+0x18) ": float var '") + (lookup *edi *(edi+4)) # Var-name Var-name => eax + (write-buffered *(ebp+0x18) %eax) + (write-buffered *(ebp+0x18) "' should be in a floating-point register\n") + (flush *(ebp+0x18)) + (stop *(ebp+0x1c) 1) + # never gets here + +$parse-var-with-type:error-non-float-in-floating-point-register: + # error("fn " fn ": non-float var '" var "' should be in an integer register\n") + (write-buffered *(ebp+0x18) "fn ") + (write-buffered *(ebp+0x18) *(ebp+0x14)) + (write-buffered *(ebp+0x18) ": non-float var '") + (lookup *edi *(edi+4)) # Var-name Var-name => eax + (write-buffered *(ebp+0x18) %eax) + (write-buffered *(ebp+0x18) "' should be in an integer register\n") + (flush *(ebp+0x18)) + (stop *(ebp+0x1c) 1) + # never gets here + +is-float-register?: # r: (addr array byte) -> result/eax: boolean + # . prologue + 55/push-ebp + 89/<- %ebp 4/r32/esp + # + (get Mu-registers-unique *(ebp+8) 0xc "Mu-registers-unique") # => eax + 81 7/subop/compare *eax 8/imm32/start-of-floating-point-registers + 0f 9d/set-if->= %al + 81 4/subop/and %eax 0xff/imm32 +$is-float-register?:end: + # . epilogue + 89/<- %esp 5/r32/ebp + 5d/pop-to-ebp + c3/return + parse-type: # ad: (addr allocation-descriptor), in: (addr stream byte), out: (addr handle type-tree), err: (addr buffered-file), ed: (addr exit-descriptor) # pseudocode: # var s: slice = next-mu-token(in) |