diff --git a/specification/ch_2.xml b/specification/ch_2.xml index 11abf85..7d9b111 100644 --- a/specification/ch_2.xml +++ b/specification/ch_2.xml @@ -5593,16 +5593,25 @@ xml:id="dbdoclet.50655240_pgfId-1156194"> may be present.)   IEEE BINARY 128 EXTENDED PRECISION - Up to 12 quad-precision parameters can be passed in v2 - v13. For - the purpose of determining qualified floating-point and vector arguments, - an IEEE 128b type shall be considered a "like" vector type, and a complex - _Float128 shall be treated as two individual scalar elements. -   + + + Up to 12 quad-precision parameters can be passed in v2 - v13. + For the purpose of determining qualified floating-point and vector + arguments, an IEEE 128b type shall be considered a "like" vector + type, and a complex _Float128 shall be treated as two individual + scalar elements. + + IBM EXTENDED PRECISION - IBM EXTENDED PRECISION format parameters are passed as if they were - a struct consisting of separate double parameters. - IBM EXTENDED PRECISION format parameters shall be considered as a - distinct type for the determination of homogeneous aggregates. + + + IBM EXTENDED PRECISION format parameters are passed as if they + were a struct consisting of separate double parameters. + IBM EXTENDED PRECISION format parameters shall be considered as + a distinct type for the determination of homogeneous aggregates. + + + If fewer arguments are needed, the unused registers defined previously will contain undefined values on entry to the called function.