| OLD | NEW |
|---|
| (Empty) | |
| 1 .global feclearexcept |
| 2 .type feclearexcept,@function |
| 3 feclearexcept: |
| 4 # maintain exceptions in the sse mxcsr, clear x87 exceptions |
| 5 mov %edi,%ecx |
| 6 and $0x3f,%ecx |
| 7 fnstsw %ax |
| 8 test %eax,%ecx |
| 9 jz 1f |
| 10 fnclex |
| 11 1: stmxcsr -8(%rsp) |
| 12 and $0x3f,%eax |
| 13 or %eax,-8(%rsp) |
| 14 test %ecx,-8(%rsp) |
| 15 jz 1f |
| 16 not %ecx |
| 17 and %ecx,-8(%rsp) |
| 18 ldmxcsr -8(%rsp) |
| 19 1: xor %eax,%eax |
| 20 ret |
| 21 |
| 22 .global feraiseexcept |
| 23 .type feraiseexcept,@function |
| 24 feraiseexcept: |
| 25 and $0x3f,%edi |
| 26 stmxcsr -8(%rsp) |
| 27 or %edi,-8(%rsp) |
| 28 ldmxcsr -8(%rsp) |
| 29 xor %eax,%eax |
| 30 ret |
| 31 |
| 32 .global __fesetround |
| 33 .type __fesetround,@function |
| 34 __fesetround: |
| 35 push %rax |
| 36 xor %eax,%eax |
| 37 mov %edi,%ecx |
| 38 fnstcw (%rsp) |
| 39 andb $0xf3,1(%rsp) |
| 40 or %ch,1(%rsp) |
| 41 fldcw (%rsp) |
| 42 stmxcsr (%rsp) |
| 43 shl $3,%ch |
| 44 andb $0x9f,1(%rsp) |
| 45 or %ch,1(%rsp) |
| 46 ldmxcsr (%rsp) |
| 47 pop %rcx |
| 48 ret |
| 49 |
| 50 .global fegetround |
| 51 .type fegetround,@function |
| 52 fegetround: |
| 53 push %rax |
| 54 stmxcsr (%rsp) |
| 55 pop %rax |
| 56 shr $3,%eax |
| 57 and $0xc00,%eax |
| 58 ret |
| 59 |
| 60 .global fegetenv |
| 61 .type fegetenv,@function |
| 62 fegetenv: |
| 63 xor %eax,%eax |
| 64 fnstenv (%rdi) |
| 65 stmxcsr 28(%rdi) |
| 66 ret |
| 67 |
| 68 .global fesetenv |
| 69 .type fesetenv,@function |
| 70 fesetenv: |
| 71 xor %eax,%eax |
| 72 inc %rdi |
| 73 jz 1f |
| 74 fldenv -1(%rdi) |
| 75 ldmxcsr 27(%rdi) |
| 76 ret |
| 77 1: push %rax |
| 78 push %rax |
| 79 pushq $0xffff |
| 80 pushq $0x37f |
| 81 fldenv (%rsp) |
| 82 pushq $0x1f80 |
| 83 ldmxcsr (%rsp) |
| 84 add $40,%rsp |
| 85 ret |
| 86 |
| 87 .global fetestexcept |
| 88 .type fetestexcept,@function |
| 89 fetestexcept: |
| 90 and $0x3f,%edi |
| 91 push %rax |
| 92 stmxcsr (%rsp) |
| 93 pop %rsi |
| 94 fnstsw %ax |
| 95 or %esi,%eax |
| 96 and %edi,%eax |
| 97 ret |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1573973002:
Add a "fork" of musl as //fusl. (Closed)
Base URL: https://github.com/domokit/mojo.git@master