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Add The LISP Challenge

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This change introduces a 2.5kb program that's comes pretty close so far
to bootstrapping John McCarthy's metacircular evaluator on bare metal.
This commit is contained in:
Justine Tunney 2020-10-01 01:20:13 -07:00
parent fd22e55b42
commit b6793d42d5
34 changed files with 1056 additions and 358 deletions
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5
third_party/xed/x86.h vendored
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@ -361,8 +361,8 @@ struct XedOperands { /*
bool rexx : 1; // rex.x or rex.wx or etc. see sib table
bool rexrr : 1; // evex
bool asz : 1; // address size override
int64_t disp; // displacement(%xxx) sign-extended
uint64_t uimm0; // $immediate sign-extended
int64_t disp; // displacement(%xxx) mostly sign-extended
uint64_t uimm0; // $immediate mostly sign-extended
bool out_of_bytes : 1;
bool is_intel_specific : 1;
bool ild_f2 : 1;
@ -383,6 +383,7 @@ struct XedOperands { /*
uint8_t rep : 2; // 0, 2 (0xf2 repnz), 3 (0xf3 rep/repe)
uint8_t has_modrm : 2;
bool imm_signed : 1; // internal
bool disp_unsigned : 1; // internal
uint8_t seg_ovd : 3; // XED_SEG_xx
uint8_t error : 5; // enum XedError
uint8_t mode : 2; // real,legacy,long