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- 7.3 ANSI C Release Notes
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- 6. _C_o_m_p_a_t_i_b_i_l_i_t_y__N_o_t_e_s
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- In 32-bit mode, the MIPSpro 7.3 release of the
- ANSI C compiler is fully compatible with the
- 7.2.1, 7.2, 7.1, 7.0, and 6.2 releases of the
- compiler.
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- In 64-bit mode, the MIPSpro 7.3 release of the
- ANSI C compiler follows the 64-bit Applications
- Binary Interface (ABI). Objects compiled in
- 64-bit mode cannot be linked together with
- objects compiled in 32-bit mode, and 64-bit
- objects will only run in an IRIX 6.2 (and above)
- operating system environment.
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- MIPSpro C 7.3 is fully compatible with 7.2.1 in
- 64-bit mode. with the following exception: If
- you have WHIRL intermediate (.o) files left over
- from compilations using MIPSpro 7.2.1 with
- interprocedural optimization enabled (i.e.,
- -IPA), you must recompile the entire set of
- files.
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- In n32 mode, the MIPSpro 7.3 release of the ANSI
- C compiler follows a new Applications Binary
- Interface (ABI). Objects compiled in n32 mode
- cannot be linked together with objects compiled
- in 32-bit mode or with objects compiled in 64-
- bit mode, and n32 objects will run only in an
- IRIX 6.2 (and above) operating system
- environment.
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- MIPSpro C 7.3 is fully compatible with 7.2.1 in
- n32 mode, with the following exception: If you
- have WHIRL intermediate (.o) files left over
- from compilations using MIPSpro 7.2.1 with
- interprocedural optimization enabled (i.e.,
- -IPA), you must recompile the entire set of
- files.
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