r201440 - in /branches/gcc-4_8-branch: gcc/Chan...

[krebbel at gcc dot gnu dot org]

Author: krebbel
Date: Fri Aug  2 15:41:10 2013
New Revision: 201440

URL: http://gcc.gnu.org/viewcvs?rev=201440&root=gcc&view=rev
Log:
2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	Backports from mainline:
	2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c: Rename UNSPEC_CCU_TO_INT to
	UNSPEC_STRCMPCC_TO_INT and UNSPEC_CCZ_TO_INT to UNSPEC_CC_TO_INT.
	(struct machine_function): Add tbegin_p.
	(s390_canonicalize_comparison): Fold CC mode compares to
	conditional jump if possible.
	(s390_emit_jump): Return the emitted jump.
	(s390_branch_condition_mask, s390_branch_condition_mnemonic):
	Handle CCRAWmode compares.
	(s390_option_override): Default to -mhtm if available.
	(s390_reg_clobbered_rtx): Handle floating point regs as well.
	(s390_regs_ever_clobbered): Use s390_regs_ever_clobbered also for
	FPRs instead of df_regs_ever_live_p.
	(s390_optimize_nonescaping_tx): New function.
	(s390_init_frame_layout): Extend clobbered_regs array to cover
	FPRs as well.
	(s390_emit_prologue): Call s390_optimize_nonescaping_tx.
	(s390_expand_tbegin): New function.
	(enum s390_builtin): New enum definition.
	(code_for_builtin): New array definition.
	(s390_init_builtins): New function.
	(s390_expand_builtin): New function.
	(TARGET_INIT_BUILTINS): Define.
	(TARGET_EXPAND_BUILTIN): Define.
	* common/config/s390/s390-common.c (processor_flags_table): Add
	PF_TX.
	* config/s390/predicates.md (s390_comparison): Handle CCRAWmode.
	(s390_alc_comparison): Likewise.
	* config/s390/s390-modes.def: Add CCRAWmode.
	* config/s390/s390.h (processor_flags): Add PF_TX.
	(TARGET_CPU_HTM): Define macro.
	(TARGET_HTM): Define macro.
	(TARGET_CPU_CPP_BUILTINS): Define __HTM__ for htm.
	* config/s390/s390.md: Rename UNSPEC_CCU_TO_INT to
	UNSPEC_STRCMPCC_TO_INT and UNSPEC_CCZ_TO_INT to UNSPEC_CC_TO_INT.
	(UNSPECV_TBEGIN, UNSPECV_TBEGINC, UNSPECV_TEND, UNSPECV_TABORT)
	(UNSPECV_ETND, UNSPECV_NTSTG, UNSPECV_PPA): New unspecv enum
	values.
	(TBEGIN_MASK, TBEGINC_MASK): New constants.
	("*cc_to_int"): Move up.
	("*mov<mode>cc", "*cjump_64", "*cjump_31"): Accept integer
	constants other than 0.
	("*ccraw_to_int"): New insn and splitter definition.
	("tbegin", "tbegin_nofloat", "tbegin_retry")
	("tbegin_retry_nofloat", "tbeginc", "tend", "tabort")
	("tx_assist"): New expander.
	("tbegin_1", "tbegin_nofloat_1", "*tbeginc_1", "*tend_1")
	("*tabort_1", "etnd", "ntstg", "*ppa"): New insn definition.
	* config/s390/s390.opt: Add -mhtm option.
	* config/s390/s390-protos.h (s390_emit_jump): Add return type.
	* config/s390/htmxlintrin.h: New file.
	* config/s390/htmintrin.h: New file.
	* config/s390/s390intrin.h: New file.
	* doc/extend.texi: Document htm builtins.
	* config.gcc: Add the new header files to extra_headers.

	2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c: (s390_expand_builtin): Allow -mhtm to be
	enabled without -march=zEC12.
	* config/s390/s390.h (TARGET_HTM): Do not require EC12 machine
	flags to be set.

2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	Backports from mainline:
	2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/sjlj.S: New file.
	* config/s390/target.h: New file.
	* configure.tgt: Set options for S/390.

	2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/target.h: Include htmintrin.h.
	(_HTM_ITM_RETRIES): New macro definition.
	(htm_available, htm_init, htm_begin, htm_begin_success)
	(htm_commit, htm_abort, htm_abort_should_retry): New functions.

	2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* acinclude.m4: Add htm asm check for s390.
	* configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the
	options.
	* configure: Regenerate.
	* config/s390/target.h: Remove __HTM__ check.
	(htm_available): Call getauxval to get hwcaps and check
	whether	HTM is available or not.

	2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/target.h (htm_begin, htm_commit, htm_abort)
	(htm_transaction_active): Enable zEC12 instructions in the
	assembler.
	* configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.

	2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure.tgt: Add -msoft-float to XCFLAGS.

2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	Backport from mainline
	2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * gcc.target/s390/htm-1.c: New file.
        * gcc.target/s390/htm-nofloat-1.c: New file.
        * gcc.target/s390/htm-xl-intrin-1.c: New file.



Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/common/config/s390/s390-common.c
    branches/gcc-4_8-branch/gcc/config.gcc
    branches/gcc-4_8-branch/gcc/config/s390/predicates.md
    branches/gcc-4_8-branch/gcc/config/s390/s390-modes.def
    branches/gcc-4_8-branch/gcc/config/s390/s390-protos.h
    branches/gcc-4_8-branch/gcc/config/s390/s390.c
    branches/gcc-4_8-branch/gcc/config/s390/s390.h
    branches/gcc-4_8-branch/gcc/config/s390/s390.md
    branches/gcc-4_8-branch/gcc/config/s390/s390.opt
    branches/gcc-4_8-branch/gcc/doc/extend.texi
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/libitm/ChangeLog
    branches/gcc-4_8-branch/libitm/acinclude.m4
    branches/gcc-4_8-branch/libitm/config.h.in
    branches/gcc-4_8-branch/libitm/configure
    branches/gcc-4_8-branch/libitm/configure.ac
    branches/gcc-4_8-branch/libitm/configure.tgt