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| author | Kartik Agaram <vc@akkartik.com> | 2020-08-22 14:35:44 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-08-22 14:35:44 -0700 |
| commit | 15b9880136b6b4754a6e6498c81932e553246d9f (patch) | |
| tree | 2ad3b055a2383ffbd980193310e0775b1d0c170c /308allocate-array.subx | |
| parent | db894e7968808512392c46d62b2bee68b891db04 (diff) | |
| download | mu-15b9880136b6b4754a6e6498c81932e553246d9f.tar.gz | |
6727 - bugfix in a multiply instruction
Also more error-detection for this case all across the toolchain.
Diffstat (limited to '308allocate-array.subx')
| -rw-r--r-- | 308allocate-array.subx | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/308allocate-array.subx b/308allocate-array.subx index 01eb1dc3..2d3d1a9d 100644 --- a/308allocate-array.subx +++ b/308allocate-array.subx @@ -6,12 +6,15 @@ allocate-array2: # ad: (addr allocation-descriptor), array-len: int, elem-size: 89/<- %ebp 4/r32/esp # . save registers 50/push-eax + 52/push-edx # 8b/-> *(ebp+0xc) 0/r32/eax - f7 4/subop/multiply-into 0/r32/eax *(ebp+0x10) + f7 4/subop/multiply-into-eax-edx *(ebp+0x10) + # TODO: check edx for overflow (allocate-array *(ebp+8) %eax *(ebp+0x14)) $allocate-array2:end: # . restore registers + 5a/pop-to-edx 58/pop-to-eax # . epilogue 89/<- %esp 5/r32/ebp |