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| author | Kartik Agaram <vc@akkartik.com> | 2019-08-23 11:07:26 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-08-23 11:07:26 -0700 |
| commit | 4949dda5540b996e86c9efea619e091df9d095dc (patch) | |
| tree | 56f9cfd3e08abbba7be996062a791f77c08d514e | |
| parent | ba5a2eff2c2b4ab1fc5104b6d4f617759b019946 (diff) | |
| download | mu-4949dda5540b996e86c9efea619e091df9d095dc.tar.gz | |
.
| -rw-r--r-- | apps/desugar.subx | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/apps/desugar.subx b/apps/desugar.subx index 01b1abcb..dd8737ee 100644 --- a/apps/desugar.subx +++ b/apps/desugar.subx @@ -86,7 +86,7 @@ convert: # in : (address buffered-file), out : (address buffered-file) -> <void # base, index, scale, disp = parse-effective-address(word-slice) # emit-indirect-mode(out, base, index, scale, disp) # else if slice-starts-with?(word-slice, '+') - # abort("base+disp addressing must be within '()'") + # abort("'+' only permitted within '*(...)'") # else # write-slice-buffered(out, word-slice) # write(out, " ") @@ -960,7 +960,7 @@ test-next-word-or-expression-returns-whole-expression: # Grammar: # *reg -> 0/mod reg/rm32 # *(reg) -> 0/mod reg/rm32 -# *(reg+disp) -> 2/mod reg/rm32 +# *(reg+disp) -> 2/mod reg/rm32 disp/disp32 # *(reg1+reg2<<s) -> 2/mod 4/rm32 reg1/base reg2/index s/scale 0/disp32 # *(reg1+reg2<<s+disp) -> 2/mod 4/rm32 reg1/base reg2/index s/scale disp/disp32 # Intermediate structure: base, index, scale, disp @@ -974,7 +974,7 @@ parse-effective-address: # word : (address slice) -> base/EAX, index/ECX, scale 56/push-ESI # ESI = word 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to ESI - # ++word->start + # skip '*' ff 0/subop/increment 0/mod/indirect 0/rm32/EAX . . . . . . # increment *ESI # initialize defaults b8/copy-to-EAX 0/imm32 |