riscv-pk/softfloat/s_addExtF80M.c

59     uint64_t sigZ, sigB;
105     sigZ = aSPtr->signif;
122             sigZ -= sigB;
125                 --sigZ;
128             if ( ! (sigZ & UINT64_C( 0x8000000000000000 )) ) {
129                 if ( sigZ & UINT64_C( 0x4000000000000000 ) ) {
131                     sigZ = sigZ<<1 | sigZExtra>>31;
138             sigZ += sigB;
139             if ( sigZ & UINT64_C( 0x8000000000000000 ) ) goto sigZ;
140             sigZExtra = (uint32_t) sigZ<<31 | (extSigX[indexWordLo( 3 )] != 0);
148             if ( sigZ < sigB ) {
150                 sigZ = sigB - sigZ;
152                 sigZ -= sigB;
153                 if ( ! sigZ ) {
162             sigZ += sigB;
163             if ( sigZ < sigB ) {
164                 sigZExtra = (uint32_t) sigZ<<31;
167                 sigZ = UINT64_C( 0x8000000000000000 ) | sigZ>>1;
169                 if ( ! (sigZ & UINT64_C( 0x8000000000000000 )) ) {
176  sigZ:
177     extSigX[indexWord( 3, 2 )] = sigZ>>32;
178     extSigX[indexWord( 3, 1 )] = sigZ;