User`s guide

Part II Reference

A MACRO Compiler Qualiﬁers

MACRO/MIGRATION ........................................ A–1

B Specialized Directives

B.1 VAX MACRO Assembler Directives . . ............................ B–1

B.2 MACRO Compiler Specialized Directives.......................... B–1

.BRANCH_LIKELY .......................................... B–2

.BRANCH_UNLIKELY........................................ B–3

.CALL_ENTRY . . ............................................ B–4

.CALL_LINKAGE (OpenVMS I64 only) ........................... B–6

.DEFINE_LINKAGE (OpenVMS I64 only) ......................... B–7

.DEFINE_PAL (OpenVMS Alpha only) ........................... B–7

.DISABLE ................................................. B–9

.ENABLE .................................................. B–9

.EXCEPTION_ENTRY (OpenVMS Alpha only) . . ................... B–10

.GLOBAL_LABEL ........................................... B–11

.JSB_ENTRY . . . ............................................ B–12

.JSB32_ENTRY . ............................................ B–14

.LINKAGE_PSECT (OpenVMS Alpha only) ........................ B–16

.PRESERVE ................................................ B–17

.SET_REGISTERS ........................................... B–18

.SYMBOL_ALIGNMENT . . .................................... B–20

.USE_LINKAGE (OpenVMS I64 only) ............................ B–21

C MACRO Compiler Built-ins

C.1 Alpha Instruction Built-ins for OpenVMS Alpha and OpenVMS I64

Systems ................................................... C–2

C.2 Alpha PALcode Built-ins . . .................................... C–5

C.3 Itanium Instruction Built-ins for OpenVMS I64 Systems . . ........... C–8

D Macros for Porting from VAX to Alpha or I64

D.1 Calculating Page-Size Values ................................... D–1

$BYTES_TO_PAGES ......................................... D–2

$NEXT_PAGE . . ............................................ D–3

$PAGES_TO_BYTES ......................................... D–4

$PREVIOUS_PAGE .......................................... D–4

$ROUND_RETADR .......................................... D–5

$START_OF_PAGE .......................................... D–6

D.2 Saving and Restoring 64-Bit Registers ............................ D–6

$POP64 ................................................... D–6

$PUSH64 .................................................. D–7

D.3 Locking Pages into a Working Set . . . ............................ D–7