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fixed prefix -- parsing; codegen for unary + - ~ !

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pommicket 2022-02-11 13:52:19 -05:00
parent 017a70ee7e
commit b13e16b517
5 changed files with 307 additions and 90 deletions
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@ -181,14 +181,14 @@ ax bx cx dx sp bp si di
│ ja IMM32 │ 0f 87 IMM32 │ jump if "above" (like jg but unsigned) │
│ jbe IMM32 │ 0f 86 IMM32 │ jump if below or equal to │
│ jae IMM32 │ 0f 83 IMM32 │ jump if above or equal to │
│ movss xmm0, [rax] │ f3 0f 10 00 │ load the float at *rax into xmm0 │
│ movsd xmm0, [rax] │ f2 0f 10 00 │ load the double at *rax into xmm0 │
│ movss [rax], xmm0 │ f3 0f 11 00 │ store the float in xmm0 at *rax │
│ movsd [rax], xmm0 │ f2 0f 11 00 │ store the double in xmm0 at *rax │
| movq rax, xmm0 | 66 48 0f 7e c0 | set rax to xmm0 |
| movq xmm0, rax | 66 48 0f 6e c0 | set xmm0 to rax |
| movq xmm1, rax | 66 48 0f 6e c8 | set xmm1 to rax |
| cvtss2sd xmm0, xmm0 | f3 0f 5a c0 | convert xmm0 from float to double |
| cvtsd2ss xmm0, xmm0 | f2 0f 5a c0 | convert xmm0 from double to float |
| cvttsd2si rax, xmm0 | f2 48 0f 2c c0 | convert double in xmm0 to int in rax |
| cvtsi2sd xmm0, rax | f2 48 0f 2a c0 | convert int in rax to double in xmm0 |
| comisd xmm0, xmm1 | 66 0f 2f c1 | compare xmm0 and xmm1 |
│ call rax │ ff d0 │ call the function at address rax │
│ ret │ c3 │ return from function │
│ syscall │ 0f 05 │ execute a system call │