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* fpu-glibc.h (set_fpu): Only call fedisableexcept for nonzero FE_ALL_EXCEPT.Hans-Peter Nilsson2005-11-181-1/+2
| | | | | | | * config/fpu-glibc.h (set_fpu): Only call fedisableexcept for nonzero FE_ALL_EXCEPT. From-SVN: r107145
* acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): New check.François-Xavier Coudert2005-10-282-0/+183
| | | | | | | | | | | | | | | | | * acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): New check. * configure.ac: Check for floatingpoint.h, fptrap.h and float.h headers. Use LIBGFOR_CHECK_FPSETMASK. Check for fp_trap and fp_enable functions. * configure.host: Add case for systems with fpsetmask and systems with fp_trap/fp_enable. * config/fpu-sysv.h: New file, FPU code using fpsetmask. * config/fpu-aix.h: New file, FPU code for AIX using fp_trap and fp_enable. * aclocal.m4: Regenerate. * configure: Regenerate. * config.h.in: Regenerate. From-SVN: r105956
* fpu.c: Add _GNU_SOURCE definition.Francois-Xavier Coudert2005-10-231-1/+0
| | | | | | | * runtime/fpu.c: Add _GNU_SOURCE definition. * config/fpu-glibc.h: Remove __USE_GNU definition. From-SVN: r105822
* fpu-387.h (set_fpu): Remove extra ":" in stmxcsr.Uros Bizjak2005-10-141-4/+5
| | | | | | | | | * config/fpu-387.h (set_fpu): Remove extra ":" in stmxcsr. Change cw and cw_sse variables to unsigned. (SSE): New definition. (has_sse): Use it. From-SVN: r105402
* * config/fpu-387.h (set_fpu): Add "=m" for stmxcsr.Uros Bizjak2005-10-131-1/+1
| | | | From-SVN: r105369
* gfortran.h: Add bitmasks for different FPE traps.François-Xavier Coudert2005-10-123-0/+253
* gfortran.h: Add bitmasks for different FPE traps. Add fpe member to options_t. * invoke.texi: Document the new -ffpe-trap option. * lang.opt: Add -ffpe-trap option. * options.c (gfc_init_options): Initialize the FPE option. (gfc_handle_fpe_trap_option): New function to parse the argument of the -ffpe-trap option. (gfc_handle_option): Add case for -ffpe-trap. * trans-decl.c: Declare a tree for the set_fpe library function. (gfc_build_builtin_function_decls): Build this tree. (gfc_generate_function_code): Generate a call to set_fpe at the beginning of the main program. * trans.h: New tree for the set_fpe library function. * Makefile.am: Add fpu.c to the build process, and target-dependent code as fpu-target.h. * Makefile.in: Regenerate. * configure.ac: Add call to configure.host to set FPU_HOST_HEADER. * configure: Regenerate. * config.h.in: Regenerate. * aclocal.m4: Regenerate. * configure.host: New script to determine which host-dependent code should go in. * libgfortran.h: Add fpe option, remove previous fpu_ options. Add bitmasks for different FPE traps. Add prototype for set_fpu. * runtime/environ.c: Remove environment variables to control fpu behaviour. * runtime/fpu.c (set_fpe): New function for the front-end. * runtime/main.c (init): Set FPU state. * config: New directory to store host-dependent code. * config/fpu-387.h: New file with code handling the i387 FPU. * config/fpu-glibc.h: New file with code for glibc systems. * config/fpu-generic.h: Fallback for the most generic host. Issue warnings. From-SVN: r105328