REFERENCE GUIDE FOR X86-64 CPUS Version 2018 TABLE OF CONTENTS Preface............................................................................................................. xi Audience Description.......................................................................................... xi Compatibility and Conformance to Standards............................................................ xi Organization....................................................................................................xii Hardware and Software Constraints...................................................................... xiii Conventions....................................................................................................xiii Terms............................................................................................................xiv Related Publications.......................................................................................... xv Chapter 1. Fortran, C, and C++ Data Types................................................................ 1 1.1. Fortran Data Types....................................................................................... 1 1.1.1. Fortran Scalars.......................................................................................1 1.1.2. FORTRAN 77 Aggregate Data Type Extensions.................................................. 3 1.1.3. Fortran 90 Aggregate Data Types (Derived Types)............................................. 4 1.2. C and C++ Data Types................................................................................... 4 1.2.1. C and C++ Scalars................................................................................... 4 1.2.2. C and C++ Aggregate Data Types................................................................. 6 1.2.3. Class and Object Data Layout.....................................................................6 1.2.4. Aggregate Alignment................................................................................7 1.2.5. Bit-field Alignment.................................................................................. 8 1.2.6. Other Type Keywords in C and C++.............................................................. 8 Chapter 2. Command-Line Options Reference............................................................. 9 2.1. PGI Compiler Option Summary......................................................................... 9 2.1.1. Build-Related PGI Options........................................................................ 10 2.1.2. PGI Debug-Related Compiler Options...........................................................12 2.1.3. PGI Optimization-Related Compiler Options...................................................13 2.1.4. PGI Linking and Runtime-Related Compiler Options......................................... 13 2.2. C and C++ Compiler Options.......................................................................... 14 2.3. Generic PGI Compiler Options........................................................................ 16 2.3.1. -#..................................................................................................... 16 2.3.2. -###...................................................................................................16 2.3.3. -acc...................................................................................................17 2.3.4. -Bdynamic........................................................................................... 17 2.3.5. -Bstatic...............................................................................................18 2.3.6. -Bstatic_pgi..........................................................................................19 2.3.7. -byteswapio......................................................................................... 20 2.3.8. -C..................................................................................................... 20 2.3.9. -c......................................................................................................21 2.3.10. -d<arg>............................................................................................. 21 2.3.11. -D....................................................................................................22 2.3.12. -dryrun..............................................................................................23 Reference Guide for x86-64 CPUs Version 2018 | ii 2.3.13. -drystdinc.......................................................................................... 24 2.3.14. -E.................................................................................................... 24 2.3.15. -F.................................................................................................... 25 2.3.16. -fast................................................................................................. 25 2.3.17. -fastsse............................................................................................. 26 2.3.18. --flagcheck......................................................................................... 26 2.3.19. -flags................................................................................................26 2.3.20. -fpic.................................................................................................27 2.3.21. -fPIC.................................................................................................27 2.3.22. -g.................................................................................................... 27 2.3.23. -gopt................................................................................................ 28 2.3.24. -g77libs............................................................................................. 29 2.3.25. -help................................................................................................ 29 2.3.26. -I.....................................................................................................31 2.3.27. -i2, -i4, -i8.........................................................................................32 2.3.28. -K<flag>............................................................................................ 33 2.3.29. --keeplnk........................................................................................... 34 2.3.30. -L.................................................................................................... 35 2.3.31. -l<library>.......................................................................................... 36 2.3.32. -M....................................................................................................36 2.3.33. -m................................................................................................... 36 2.3.34. -m64................................................................................................ 37 2.3.35. -M<pgflag>......................................................................................... 37 2.3.36. -mcmodel=medium............................................................................... 43 2.3.37. -module <moduledir>............................................................................ 44 2.3.38. -mp..................................................................................................45 2.3.39. -noswitcherror.....................................................................................46 2.3.40. -O<level>........................................................................................... 47 2.3.41. -o.................................................................................................... 48 2.3.42. -pc...................................................................................................49 2.3.43. --pedantic.......................................................................................... 51 2.3.44. -pg...................................................................................................52 2.3.45. -pgc++libs.......................................................................................... 52 2.3.46. -pgf77libs...........................................................................................53 2.3.47. -pgf90libs...........................................................................................53 2.3.48. -R<directory>...................................................................................... 54 2.3.49. -r.................................................................................................... 54 2.3.50. -r4 and -r8.........................................................................................55 2.3.51. -rc................................................................................................... 55 2.3.52. -s.................................................................................................... 56 2.3.53. -S.................................................................................................... 56 2.3.54. -shared............................................................................................. 57 2.3.55. -show............................................................................................... 57 Reference Guide for x86-64 CPUs Version 2018 | iii 2.3.56. -silent...............................................................................................58 2.3.57. -soname...........................................................................................