2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
* gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
UNITS_PER_LONG where it is ABI relevant.
(s390_return_addr_rtx): Likewise.
(s390_back_chain_rtx): Likewise.
(s390_frame_area): Likewise.
(s390_frame_info): Likewise.
(s390_initial_elimination_offset): Likewise.
(save_gprs): Likewise.
(s390_emit_prologue): Likewise.
(s390_emit_epilogue): Likewise.
(s390_function_arg_advance): Likewise.
(s390_function_arg): Likewise.
(s390_va_start): Likewise.
(s390_gimplify_va_arg): Likewise.
(s390_function_profiler): Likewise.
(s390_optimize_prologue): Likewise.
(s390_rtx_costs): Likewise.
(s390_secondary_reload): Likewise.
(s390_promote_function_mode): Likewise.
(s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
(s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
registers available.
(s390_unwind_word_mode): New function.
(s390_function_value): Split 64 bit values into register pair if
used as return value.
(s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
function call parameters. Handle parallels.
(TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
(HARD_REGNO_CALL_PART_CLOBBERED): New macro.
(DWARF_CIE_DATA_ALIGNMENT): New macro.
(s390_expand_setmem): Remove unused variable src_addr.
* gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
deal with 64 bit registers.
* gcc/config/s390/s390.h: Define __zarch__ predefined macro.
Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
(UNITS_PER_LONG): New macro.
* libjava/include/s390-signal.h: Define extended ucontext
structure containing the upper halfs of the 64 bit registers.
Co-Authored-By: Ulrich Weigand <uweigand@de.ibm.com>
From-SVN: r158257
gcc/ChangeLog:
* config/s390/s390.md ("udivsi3"): Ensure trap is generated
for division by zero.
("umodsi3"): Likewise.
libjava/ChangeLog:
* configure.host (DIVIDESPEC) [s390*-*-*]: Set to
-fno-use-divide-subroutine.
* include/s390-signal.h: Include <ucontext.h> and <limits.h>.
(HANDLE_FPE): Define.
(SIGNAL_HANDLER): Change third argument to ucontext_t *.
(struct old_s390_kernel_sigaction): Likewise for k_sa_handler.
(HANDLE_DIVIDE_OVERFLOW): Define.
From-SVN: r84683
ChangeLog:
* config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
SIGBUS signal frames, the PSW address points *to* the faulting
instruction, not after it.
libjava/ChangeLog:
* include/s390-signal.c (SIGNAL_HANDLER): Use SIGINFO-style prototype.
(struct old_s390_kernel_sigaction): Likewise for k_sa_handler.
(MAKE_THROW_FRAME): Do not modify PSW address.
(INIT_SEGV): Install SIGINFO-style signal handler.
(INIT_FPE): Likewise.
From-SVN: r84506
* configure.host [s390*-linux*]: Set can_unwind_signal=yes.
* configure.in [s390*-*-linux*]: Do not define HAVE_BACKTRACE.
Set SIGNAL_HANDLER=include/s390-linux.h.
* configure: Regenerate.
* include/s390-linux.h: New file.
From-SVN: r54012
