diff options
Diffstat (limited to 'mu_instructions')
| -rw-r--r-- | mu_instructions | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/mu_instructions b/mu_instructions index ea58866e..10d00f10 100644 --- a/mu_instructions +++ b/mu_instructions @@ -318,13 +318,17 @@ var/reg: (addr T) <- address var2: T var/reg: (addr T) <- index arr/rega: (addr array T), idx/regi: int | if size-of(T) is 1, 2, 4 or 8 - => "(__check-mu-array-bounds *" rega " %" regi " " size-of(T) ")" + => "81 7/subop/compare %" rega " 0/imm32" + "0f 84/jump-if-= __mu-abort-null-index-base-address/disp32" + "(__check-mu-array-bounds *" rega " %" regi " " size-of(T) ")" "8d/copy-address *(" rega "+" regi "<<" log2(size-of(T)) "+4) " reg "/r32" var/reg: (addr T) <- index arr: (array T len), idx/regi: int => "(__check-mu-array-bounds *(ebp+" arr.stack-offset ") %" regi " " size-of(T) ")" "8d/copy-address *(ebp+" regi "<<" log2(size-of(T)) "+" (arr.stack-offset + 4) ") " reg "/r32" var/reg: (addr T) <- index arr/rega: (addr array T), n - => "(__check-mu-array-bounds *" rega " " n " " size-of(T) ")" + => "81 7/subop/compare %" rega " 0/imm32" + "0f 84/jump-if-= __mu-abort-null-index-base-address/disp32" + "(__check-mu-array-bounds *" rega " " n " " size-of(T) ")" "8d/copy-address *(" rega "+" (n*size-of(T)+4) ") " reg "/r32" var/reg: (addr T) <- index arr: (array T len), n => "(__check-mu-array-bounds *(ebp+" arr.stack-offset ") " n " " size-of(T) ")" @@ -335,7 +339,9 @@ var/reg: (offset T) <- compute-offset arr: (addr array T), idx/regi: int # arr var/reg: (offset T) <- compute-offset arr: (addr array T), idx: int # arr can be in reg or mem => "69/multiply *(ebp+" idx.stack-offset ") " size-of(T) "/imm32 " reg "/r32" var/reg: (addr T) <- index arr/rega: (addr array T), o/rego: (offset T) - => "(__check-mu-array-bounds %" rega " %" rego " 1 \"" function-name "\")" + => "81 7/subop/compare %" rega " 0/imm32" + "0f 84/jump-if-= __mu-abort-null-index-base-address/disp32" + "(__check-mu-array-bounds %" rega " %" rego " 1 \"" function-name "\")" "8d/copy-address *(" rega "+" rego "+4) " reg "/r32" Computing the length of an array is complex. |