| 42 | #include "softfloat.h" |
| 43 | |
| 44 | extFloat80_t extF80_div( extFloat80_t a, extFloat80_t b ) |
| 45 | { |
| 46 | union { struct extFloat80M s; extFloat80_t f; } uA; |
| 47 | uint_fast16_t uiA64; |
| 48 | uint_fast64_t uiA0; |
| 49 | bool signA; |
| 50 | int_fast32_t expA; |
| 51 | uint_fast64_t sigA; |
| 52 | union { struct extFloat80M s; extFloat80_t f; } uB; |
| 53 | uint_fast16_t uiB64; |
| 54 | uint_fast64_t uiB0; |
| 55 | bool signB; |
| 56 | int_fast32_t expB; |
| 57 | uint_fast64_t sigB; |
| 58 | bool signZ; |
| 59 | struct exp32_sig64 normExpSig; |
| 60 | int_fast32_t expZ; |
| 61 | struct uint128 rem; |
| 62 | uint_fast32_t recip32; |
| 63 | uint_fast64_t sigZ; |
| 64 | int ix; |
| 65 | uint_fast64_t q64; |
| 66 | uint_fast32_t q; |
| 67 | struct uint128 term; |
| 68 | uint_fast64_t sigZExtra; |
| 69 | struct uint128 uiZ; |
| 70 | uint_fast16_t uiZ64; |
| 71 | uint_fast64_t uiZ0; |
| 72 | union { struct extFloat80M s; extFloat80_t f; } uZ; |
| 73 | |
| 74 | /*------------------------------------------------------------------------ |
| 75 | *------------------------------------------------------------------------*/ |
| 76 | uA.f = a; |
| 77 | uiA64 = uA.s.signExp; |
| 78 | uiA0 = uA.s.signif; |
| 79 | signA = signExtF80UI64( uiA64 ); |
| 80 | expA = expExtF80UI64( uiA64 ); |
| 81 | sigA = uiA0; |
| 82 | uB.f = b; |
| 83 | uiB64 = uB.s.signExp; |
| 84 | uiB0 = uB.s.signif; |
| 85 | signB = signExtF80UI64( uiB64 ); |
| 86 | expB = expExtF80UI64( uiB64 ); |
| 87 | sigB = uiB0; |
| 88 | signZ = signA ^ signB; |
| 89 | /*------------------------------------------------------------------------ |
| 90 | *------------------------------------------------------------------------*/ |
| 91 | if ( expA == 0x7FFF ) { |
| 92 | if ( sigA & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) goto propagateNaN; |
| 93 | if ( expB == 0x7FFF ) { |
| 94 | if ( sigB & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) goto propagateNaN; |
| 95 | goto invalid; |
| 96 | } |
| 97 | goto infinity; |
| 98 | } |
| 99 | if ( expB == 0x7FFF ) { |
| 100 | if ( sigB & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) goto propagateNaN; |
| 101 | goto zero; |
no test coverage detected