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Introductory Remarks Uday Khedker (www.cse.iitb.ac.in/grc) GCC - PowerPoint PPT Presentation

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Tutorial on Essential Abstractions in GCC Introductory Remarks Uday Khedker (www.cse.iitb.ac.in/grc) GCC Resource Center, Department of Computer Science and Engineering, Indian Institute of Technology, Bombay April 2011 EA-GCC, Chamonix

  1. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 8/31 The Gnu Tool Chain for C Source Program cpp cc1 gcc Target Program Uday Khedker GRC, IIT Bombay

  2. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 8/31 The Gnu Tool Chain for C Source Program cpp cc1 gcc as Target Program Uday Khedker GRC, IIT Bombay

  3. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 8/31 The Gnu Tool Chain for C Source Program cpp cc1 gcc as ld Target Program Uday Khedker GRC, IIT Bombay

  4. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 8/31 The Gnu Tool Chain for C Source Program cpp cc1 gcc as glibc/newlib ld Target Program Uday Khedker GRC, IIT Bombay

  5. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 8/31 The Gnu Tool Chain for C Source Program cpp cc1 gcc as GCC glibc/newlib ld Target Program Uday Khedker GRC, IIT Bombay

  6. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 9/31 Why is Understanding GCC Difficult? • Some of the obvious reasons: ◮ Comprehensiveness GCC is a production quality framework in terms of completeness and practical usefulness ◮ Open development model Could lead to heterogeneity. Design flaws may be difficult to correct ◮ Rapid versioning GCC maintenance is a race against time. Disruptive corrections are difficult Uday Khedker GRC, IIT Bombay

  7. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: Uday Khedker GRC, IIT Bombay

  8. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  9. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  10. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  11. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  12. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  13. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  14. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  15. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  16. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  17. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  18. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  19. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  20. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  21. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  22. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  23. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  24. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  25. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  26. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  27. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  28. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  29. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  30. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  31. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  32. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  33. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  34. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  35. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  36. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  37. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  38. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  39. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  40. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  41. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  42. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  43. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  44. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  45. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  46. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  47. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  48. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  49. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  50. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: Uday Khedker GRC, IIT Bombay

  51. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, Uday Khedker GRC, IIT Bombay

  52. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Uday Khedker GRC, IIT Bombay

  53. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Uday Khedker GRC, IIT Bombay

  54. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Motorola 6809, Uday Khedker GRC, IIT Bombay

  55. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Motorola 6809, MicroBlaze, Uday Khedker GRC, IIT Bombay

  56. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Motorola 6809, MicroBlaze, MSP430, Uday Khedker GRC, IIT Bombay

  57. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Motorola 6809, MicroBlaze, MSP430, Nios II and Nios, Uday Khedker GRC, IIT Bombay

  58. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Motorola 6809, MicroBlaze, MSP430, Nios II and Nios, PDP-10, Uday Khedker GRC, IIT Bombay

  59. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Motorola 6809, MicroBlaze, MSP430, Nios II and Nios, PDP-10, TIGCC (m68k variant), Uday Khedker GRC, IIT Bombay

  60. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Motorola 6809, MicroBlaze, MSP430, Nios II and Nios, PDP-10, TIGCC (m68k variant), Z8000, Uday Khedker GRC, IIT Bombay

  61. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Motorola 6809, MicroBlaze, MSP430, Nios II and Nios, PDP-10, TIGCC (m68k variant), Z8000, PIC24/dsPIC, Uday Khedker GRC, IIT Bombay

  62. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 10/31 Comprehensiveness of GCC: Wide Applicability • Input languages supported: C, C++, Objective-C, Objective-C++, Java, Fortran, and Ada • Processors supported in standard releases: ◮ Common processors: Alpha, ARM, Atmel AVR, Blackfin, HC12, H8/300, IA-32 (x86), x86-64, IA-64, Motorola 68000, MIPS, PA-RISC, PDP-11, PowerPC, R8C/M16C/M32C, SPU, System/390/zSeries, SuperH, SPARC, VAX ◮ Lesser-known target processors: A29K, ARC, ETRAX CRIS, D30V, DSP16xx, FR-30, FR-V, Intel i960, IP2000, M32R, 68HC11, MCORE, MMIX, MN10200, MN10300, Motorola 88000, NS32K, ROMP, Stormy16, V850, Xtensa, AVR32 ◮ Additional processors independently supported: D10V, LatticeMico32, MeP, Motorola 6809, MicroBlaze, MSP430, Nios II and Nios, PDP-10, TIGCC (m68k variant), Z8000, PIC24/dsPIC, NEC SX architecture Uday Khedker GRC, IIT Bombay

  63. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 11/31 Comprehensiveness of GCC: Size • Overall size Subdirectories Files gcc-4.4.2 3794 62301 gcc-4.5.0 4056 65639 gcc-4.6-20101225 4369 70374 • Core size (src/gcc) Subdirectories Files gcc-4.4.2 257 30163 gcc-4.5.0 283 32723 gcc-4.6-20101225 335 35986 • Machine Descriptions (src/gcc/config) Subdirectories .c files .h files .md files gcc-4.4.2 36 241 426 206 gcc-4.5.0 42 275 478 206 gcc-4.6-20101225 42 269 486 251 Uday Khedker GRC, IIT Bombay

  64. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 12/31 ohcount : Line Count of gcc-4.4.2 Total: 66139 file(s) Language Files Code Comment Comment % Blank Total c 15638 1840245 394682 17.7% 366815 2601742 cpp 19622 872775 190744 17.9% 189007 1252526 java 6342 681656 643045 48.5% 169465 1494166 ada 4206 638557 294881 31.6% 218000 1151438 autoconf 76 445046 393 0.1% 58831 504270 make 82 110064 3268 2.9% 13270 126602 html 480 103080 5658 5.2% 21438 130176 fortranfixed 2164 73366 1570 2.1% 9454 84390 assembler 183 42460 9607 18.5% 7084 59151 shell 137 39347 8832 18.3% 5485 53664 fortranfree 690 11852 2582 17.9% 1414 15848 objective c 395 10562 1768 14.3% 2951 15281 automake 61 6014 853 12.4% 956 7823 perl 24 4111 1138 21.7% 732 5981 scheme 1 2775 153 5.2% 328 3256 ocaml 5 2482 538 17.8% 328 3348 python 6 1135 211 15.7% 220 1566 awk 9 1127 324 22.3% 193 1644 pascal 4 1044 141 11.9% 218 1403 csharp 9 879 506 36.5% 230 1615 dcl 2 497 99 16.6% 30 626 tcl 1 392 113 22.4% 72 577 haskell 48 149 0 0.0% 16 165 emacslisp 1 59 21 26.2% 4 84 matlab 2 57 0 0.0% 7 64 Total 50312 4938881 1567750 24.1% 1071986 7578617 Uday Khedker GRC, IIT Bombay

  65. Total: 66139 file(s) Language Files Code Comment Comment % Blank Total c 15638 1840245 394682 17.7% 366815 2601742 cpp 19622 872775 190744 17.9% 189007 1252526 java 6342 681656 643045 48.5% 169465 1494166 ada 4206 638557 294881 31.6% 218000 1151438 autoconf 76 445046 393 0.1% 58831 504270 make 82 110064 3268 2.9% 13270 126602 html 480 103080 5658 5.2% 21438 130176 fortranfixed 2164 73366 1570 2.1% 9454 84390 assembler 183 42460 9607 18.5% 7084 59151 shell 137 39347 8832 18.3% 5485 53664 fortranfree 690 11852 2582 17.9% 1414 15848 objective c 395 10562 1768 14.3% 2951 15281 automake 61 6014 853 12.4% 956 7823 perl 24 4111 1138 21.7% 732 5981 scheme 1 2775 153 5.2% 328 3256 ocaml 5 2482 538 17.8% 328 3348 python 6 1135 211 15.7% 220 1566 awk 9 1127 324 22.3% 193 1644 pascal 4 1044 141 11.9% 218 1403 csharp 9 879 506 36.5% 230 1615 dcl 2 497 99 16.6% 30 626 tcl 1 392 113 22.4% 72 577 haskell 48 149 0 0.0% 16 165 emacslisp 1 59 21 26.2% 4 84 matlab 2 57 0 0.0% 7 64 Total 50312 4938881 1567750 24.1% 1071986 7578617

  66. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 14/31 ohcount : Line Count of gcc-4.5.0 Total: 69739 file(s) Language Files Code Comment Comment % Blank Total c 16985 1967826 413941 17.4% 391883 2773650 cpp 20813 912618 210084 18.7% 199605 1322307 java 6342 681810 643127 48.5% 169483 1494420 ada 4412 647372 302226 31.8% 222481 1172079 autoconf 79 358996 422 0.1% 55631 415049 html 487 144535 5667 3.8% 31773 181975 make 93 114490 3438 2.9% 14434 132362 fortranfixed 2535 85905 1817 2.1% 11394 99116 assembler 197 45098 10082 18.3% 7528 62708 shell 136 39789 8984 18.4% 5511 54284 scheme 7 13725 1192 8.0% 1524 16441 fortranfree 760 12955 2889 18.2% 1546 17390 objective c 396 10782 1835 14.5% 2959 15576 automake 64 6388 914 12.5% 994 8296 perl 25 4144 1139 21.6% 739 6022 xslt 20 2805 436 13.5% 563 3804 ocaml 5 2515 540 17.7% 328 3383 python 10 1686 322 16.0% 383 2391 awk 10 1352 372 21.6% 218 1942 pascal 4 1044 141 11.9% 218 1403 csharp 9 879 506 36.5% 230 1615 dcl 2 402 84 17.3% 13 499 tcl 1 392 113 22.4% 72 577 haskell 49 153 0 0.0% 17 170 emacslisp 1 59 21 26.2% 4 84 matlab 1 5 0 0.0% 0 5 Uday Khedker GRC, IIT Bombay

  67. Total: 69739 file(s) Language Files Code Comment Comment % Blank Total c 16985 1967826 413941 17.4% 391883 2773650 cpp 20813 912618 210084 18.7% 199605 1322307 java 6342 681810 643127 48.5% 169483 1494420 ada 4412 647372 302226 31.8% 222481 1172079 autoconf 79 358996 422 0.1% 55631 415049 html 487 144535 5667 3.8% 31773 181975 make 93 114490 3438 2.9% 14434 132362 fortranfixed 2535 85905 1817 2.1% 11394 99116 assembler 197 45098 10082 18.3% 7528 62708 shell 136 39789 8984 18.4% 5511 54284 scheme 7 13725 1192 8.0% 1524 16441 fortranfree 760 12955 2889 18.2% 1546 17390 objective c 396 10782 1835 14.5% 2959 15576 automake 64 6388 914 12.5% 994 8296 perl 25 4144 1139 21.6% 739 6022 xslt 20 2805 436 13.5% 563 3804 ocaml 5 2515 540 17.7% 328 3383 python 10 1686 322 16.0% 383 2391 awk 10 1352 372 21.6% 218 1942 pascal 4 1044 141 11.9% 218 1403 csharp 9 879 506 36.5% 230 1615 dcl 2 402 84 17.3% 13 499 tcl 1 392 113 22.4% 72 577 haskell 49 153 0 0.0% 17 170 emacslisp 1 59 21 26.2% 4 84 matlab 1 5 0 0.0% 0 5

  68. EA-GCC, Chamonix Introductory Remarks: GCC ≡ The Great Compiler Challenge 16/31 ohcount : Line Count of gcc-4.6-20101225 snapshot Total: 74787 file(s) Language Files Code Comment Comment % Blank Total c 18311 2089300 441364 17.4% 415623 2946287 cpp 21813 977852 227979 18.9% 213239 1419070 java 6342 681938 645505 48.6% 169819 1497262 ada 4601 680002 315946 31.7% 234447 1230395 autoconf 91 397682 513 0.1% 61417 459612 html 446 141275 5391 3.7% 30812 177478 make 99 121013 3615 2.9% 15539 140167 fortranfixed 2852 96084 1920 2.0% 13196 111200 shell 148 47937 10414 17.8% 6566 64917 assembler 209 47015 10287 18.0% 7877 65179 objective c 815 26409 4669 15.0% 7584 38662 scheme 7 13731 1192 8.0% 1524 16447 fortranfree 806 13667 3104 18.5% 1675 18446 automake 67 9103 971 9.6% 1355 11429 perl 28 4445 1316 22.8% 837 6598 ocaml 6 2814 576 17.0% 378 3768 xslt 20 2805 436 13.5% 563 3804 awk 11 1729 396 18.6% 257 2382 python 10 1725 322 15.7% 383 2430 pascal 4 1044 141 11.9% 218 1403 csharp 9 879 506 36.5% 230 1615 dcl 2 402 84 17.3% 13 499 tcl 1 392 113 22.4% 72 577 haskell 49 153 0 0.0% 17 170 matlab 1 5 0 0.0% 0 5 Total 56846 5408876 1683047 23.7% 1189286 8281209 Uday Khedker GRC, IIT Bombay

  69. Total: 74787 file(s) Language Files Code Comment Comment % Blank Total c 18311 2089300 441364 17.4% 415623 2946287 cpp 21813 977852 227979 18.9% 213239 1419070 java 6342 681938 645505 48.6% 169819 1497262 ada 4601 680002 315946 31.7% 234447 1230395 autoconf 91 397682 513 0.1% 61417 459612 html 446 141275 5391 3.7% 30812 177478 make 99 121013 3615 2.9% 15539 140167 fortranfixed 2852 96084 1920 2.0% 13196 111200 shell 148 47937 10414 17.8% 6566 64917 assembler 209 47015 10287 18.0% 7877 65179 objective c 815 26409 4669 15.0% 7584 38662 scheme 7 13731 1192 8.0% 1524 16447 fortranfree 806 13667 3104 18.5% 1675 18446 automake 67 9103 971 9.6% 1355 11429 perl 28 4445 1316 22.8% 837 6598 ocaml 6 2814 576 17.0% 378 3768 xslt 20 2805 436 13.5% 563 3804 awk 11 1729 396 18.6% 257 2382 python 10 1725 322 15.7% 383 2430 pascal 4 1044 141 11.9% 218 1403 csharp 9 879 506 36.5% 230 1615 dcl 2 402 84 17.3% 13 499 tcl 1 392 113 22.4% 72 577 haskell 49 153 0 0.0% 17 170 matlab 1 5 0 0.0% 0 5 Total 56846 5408876 1683047 23.7% 1189286 8281209

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