2010-10-05 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
Christian Borntraeger <Christian.Borntraeger@de.ibm.com>
* gcc/config/s390/s390.c (z196_cost): New.
(s390_handle_arch_option): Add -march=z196.
(s390_option_override): Use the new cost function and use the z10
defaults also for z196.
(legitimate_reload_constant_p): Adjust comment.
(legitimate_reload_fp_constant_p): New function.
(s390_preferred_reload_class): Distingiush between FP and Int constants.
(preferred_la_operand_p): Avoid la with index on z196.
(s390_adjust_priority): Trigger also for z196.
(s390_issue_rate): Issue rate for z196 is 3.
(s390_z10_fix_long_loop_prediction): Rename to ...
(s390_fix_long_loop_prediction): ... this.
(s390_reorg): Apply the z10 adjustments also for z196.
(s390_loop_unroll_adjust): Do this also for z196.
* gcc/config/s390/s390.h (enum processor_type): Add PROCESSOR_2817_Z196.
(enum processor_flags): Add PF_Z196.
(TARGET_AVOID_CMP_AND_BRANCH): New macro.
(TARGET_CPU_Z196, TARGET_Z196): New macros.
* gcc/config.gcc: Enable z196 for --with-arch.
* gcc/config/s390/2817.md: New file.
* gcc/config/s390/2084.md: New type for multiply and add.
* gcc/config/s390/2097.md: Likewise.
* gcc/config/s390/s390.md (UNSPEC_POPCNT, UNSPEC_COPYSIGN)
(UNSPECV_ATOMIC_OP): New constants.
(fmadddf, fmaddsf): New values for type attribute.
(z196prop): New insn attribute.
(cpu, cpu_facility): Add z196.
(ATOMIC_Z196): New code iterator.
(noxa): New code attribute.
(gk): New mode attribute.
(*mov<mode>_64, *mov<mode>_31, *mov<mode>_64dfp, mov<mode>):
Support load zero for fp constants.
(fixuns_truncdddi2, fixuns_trunctddi2)
(fixuns_trunc<BFP:mode><GPR:mode>2): Use the standard rtx pattern
for z196.
(fixuns_trunc<mode>si2, mov<mode>cc, popcountdi2, popcountsi2)
(popcounthi2, popcountqi2): New expander.
(*fixuns_trunc<FP:mode><GPR:mode>2_z196, floatsi<mode>2)
(floatuns<GPR:mode><FP:mode>2, *mov<mode>cc, sync_<atomic><mode>)
(sync_old_<atomic><mode>, *popcount<mode>, copysign<mode>3): New
insn definition.
(add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry1_cconly)
(*add<mode>3_carry2_cc, *add<mode>3_carry2_cconly, *add<mode>3_cc)
(*add<mode>3_cconly, *add<mode>3_cconly2, *add<mode>3_imm_cc, *sub<mode>3)
(*sub<mode>3_borrow_cc, *sub<mode>3_borrow_cconly, *sub<mode>3_cc)
(*sub<mode>3_cc2, *sub<mode>3_cconly, *sub<mode>3_cconly2)
(*anddi3_cc, *anddi3_cconly, *anddi3, *andsi3_cc, *andsi3_cconly)
(*andsi3_zarch, *andsi3_esa, *andhi3_zarch, *andqi3_zarch, *iordi3_cc)
(*iordi3_cconly, *iordi3, *iorsi3_cc, *iorsi3_cconly, *iorsi3_zarch)
(*iorhi3_zarch, *iorqi3_zarch, *xordi3_cc, *xordi3_cconly, *xordi3)
(*xorsi3_cc, *xorsi3_cconly, *xorsi3, *xorhi3, *xorqi3, *<shift><mode>3)
(*<shift><mode>3_and, *ashr<mode>3_cc, *ashr<mode>3_cconly, *ashr<mode>3)
(*ashr<mode>3_cc_and, *ashr<mode>3_cconly_and, *ashr<mode>3_and):
Support new z196 instructions.
Co-Authored-By: Christian Borntraeger <Christian.Borntraeger@de.ibm.com>
From-SVN: r164985
This directory contains the GNU Compiler Collection (GCC).
The GNU Compiler Collection is free software. See the files whose
names start with COPYING for copying permission. The manuals, and
some of the runtime libraries, are under different terms; see the
individual source files for details.
The directory INSTALL contains copies of the installation information
as HTML and plain text. The source of this information is
gcc/doc/install.texi. The installation information includes details
of what is included in the GCC sources and what files GCC installs.
See the file gcc/doc/gcc.texi (together with other files that it
includes) for usage and porting information. An online readable
version of the manual is in the files gcc/doc/gcc.info*.
See http://gcc.gnu.org/bugs/ for how to report bugs usefully.
65b1d8ea3e