* pa-linux.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
* pa-protos.h (attr_length_millicode_call, attr_length_call,
pa_init_machine_status): Declare new global functions.
* pa.c (void copy_fp_args, length_fp_args, get_plabel): Declare and
implement new functions.
(attr_length_millicode_call, attr_length_call): Implement.
(total_code_bytes): Change type to long.
(pa_output_function_prologue): Compute total_code_bytes on TARGET_64BIT.
Reset counter if flag_function_sections.
(output_deferred_plabels): Set output alignment to 3 for TARGET_64BIT.
(output_cbranch): Move call to gen_label_rtx.
(output_millicode_call): Rewrite adding long TARGET_64BIT call, expose
delay slot in all variants, shorten pc-relative calls.
(output_call): Rewrite adding long TARGET_64BIT call, improved delay
slot usage and exposure, various new call variants, and shortened
sequences for some variants on TARGET_PA_20.
Miscellaneous format changes.
* pa.h (total_code_bytes): Change type to long.
(MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_LONG_ABS_CALL,
TARGET_LONG_PIC_SDIFF_CALL, TARGET_LONG_PIC_PCREL_CALL): Define.
(TARGET_SWITCHES): Add "-mlong-calls" and "-mno-long-calls" options.
(EXTRA_CONSTRAINT, GO_IF_LEGITIMATE_ADDRESS,
LEGITIMIZE_RELOAD_ADDRESS): Don't use long floating point loads and
stores on TARGET_ELF32.
*pa.md (define_delay): Allow insns in delay on TARGET_PORTABLE_RUNTIME.
(unnamed patterns for mulsi3, divsi3, udivsi3, modsi3, umodsi3 and
canonicalize_funcptr_for_compare expanders): Calculate attribute length
attr_length_millicode_call().
(call_internal_symref, call_value_internal_symref): Clobber register 1.
Calculate attribute length using attr_length_call().
(call_internal_reg_64bit, call_value_internal_reg_64bit): Move gp load
to delay slot.
(sibcall, sibcall_value): Rewrite.
(sibcall_internal_symref, sibcall_value_internal_symref): Clobber
register 1. Use attr_length_call().
(sibcall_internal_symref_64bit, sibcall_value_internal_symref_64bit):
New patterns.
(unamed pattern for canonicalize_funcptr_for_compare): Rewrite.
* som.h (MEMBER_TYPE_FORCES_BLK): Define.
* t-pa64 (TARGET_LIBGCC2_CFLAGS): Add "-mlong-calls".
* doc/invoke.texi (mlong-calls): Document.
From-SVN: r58665
