Add BMI2 support.

gcc/

2011-08-23  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (type): Add imulx, ishiftx and rotatex.
	(length_immediate): Handle imulx, ishiftx and rotatex.
	(imm_disp): Ditto.
	(isa): Add bmi2.
	(enabled): Handle bmi2.
	(w): New mode attribute.
	(*mul<mode><dwi>3): Split from *<u>mul<mode><dwi>3.
	(*umul<mode><dwi>3): Ditto.  Add imulx BMI2 alternative.
	(*bmi2_umulditi3_1): New insn pattern.
	(*bmi2_umulsidi3_1): Ditto.
	(*umul<mode><dwi>3 splitter): New splitter to avoid flags
	dependency.
	(*bmi2_ashl<mode>3_1): New insn pattern.
	(*ashl<mode>3_1): Add ishiftx BMI2 alternative.
	(*ashl<mode>3_1 splitter): New splitter to avoid flags
	dependency.
	(*bmi2_ashlsi3_1_zext): New insn pattern.
	(*ashlsi3_1_zext): Add ishiftx BMI2 alternative.
	(*ashlsi3_1_zext splitter): New splitter to avoid flags
	dependency.
	(*bmi2_<shiftrt_insn><mode>3_1): New insn pattern.
	(*<shiftrt_insn><mode>3_1): Add ishiftx BMI2 alternative.
	(*<shiftrt_insn><mode>3_1 splitter): New splitter to avoid
	flags dependency.
	(*bmi2_<shiftrt_insn>si3_1_zext): New insn pattern.
	(*<shiftrt_insn>si3_1_zext): Add ishiftx BMI2 alternative.
	(*<shiftrt_insn>si3_1_zext splitter): New splitter to avoid
	flags dependency.
	(*bmi2_rorx<mode>3_1): New insn pattern.
	(*<rotate_insn><mode>3_1): Add rotatex BMI2 alternative.
	(*rotate<mode>3_1 splitter): New splitter to avoid flags
	dependency.
	(*rotatert<mode>3_1 splitter): Ditto.
	(*bmi2_rorxsi3_1_zext): New insn pattern.
	(*<rotate_insn>si3_1_zext): Add rotatex BMI2 alternative.
	(*rotatesi3_1_zext splitter): New splitter to avoid flags
	dependency.
	(*rotatertsi3_1_zext splitter): Ditto.

2011-08-23  Kirill Yukhin  <kirill.yukhin@intel.com>

	* common/config/i386/i386-common.c (OPTION_MASK_ISA_BMI2_SET):
	New.
	(OPTION_MASK_ISA_BMI2_UNSET): Likewise.
	(ix86_handle_option): Handle OPT_mbmi2 case.
	* config.gcc (i[34567]86-*-*): Add bmi2intrin.h.
	(x86_64-*-*): Likewise.
	* config/i386/bmi2intrin.h: New file.
	* config/i386/cpuid.h (bit_BMI2): New.
	* config/i386/driver-i386.c (host_detect_local_cpu): Detect
	BMI2 feature.
	* config/i386/i386-c.c (ix86_target_macros_internal):
	Conditionally define __BMI2__.
	* config/i386/i386.c (ix86_option_override_internal): Define PTA_BMI2.
	Handle BMI2 option.
	(ix86_valid_target_attribute_inner_p): Handle BMI2 option.
	(print_reg): New code.
	(ix86_print_operand): Likewise.
	(ix86_builtins): Add IX86_BUILTIN_BZHI32, IX86_BUILTIN_BZHI64,
	IX86_BUILTIN_PDEP32, IX86_BUILTIN_PDEP64, IX86_BUILTIN_PEXT32,
	IX86_BUILTIN_PEXT64.
	(bdesc_args): Add IX86_BUILTIN_BZHI32, IX86_BUILTIN_BZHI64,
	IX86_BUILTIN_PDEP32, IX86_BUILTIN_PDEP64, IX86_BUILTIN_PEXT32,
	IX86_BUILTIN_PEXT64.
	* config/i386/i386.h (TARGET_BMI2): New.
	* config/i386/i386.md (UNSPEC_PDEP): New.
	(UNSPEC_PEXT): Likewise.
	(*bmi2_bzhi_<mode>3): Likewise.
	(*bmi2_pdep_<mode>3): Likewise.
	(*bmi2_pext_<mode>3): Likewise.
	* config/i386/i386.opt (mbmi2): New.
	* config/i386/x86intrin.h: Include bmi2intrin.h when __BMI2__
	is defined.
	* doc/extend.texi: Document BMI2 built-in functions.
	* doc/invoke.texi: Document -mbmi2.

gcc/testsuite/

2011-08-23  Kirill Yukhin  <kirill.yukhin@intel.com>

	* g++.dg/other/i386-2.C: Add -mbmi2 check.
	* g++.dg/other/i386-3.C: Likewise.
	* gcc.target/i386/bmi2-bzhi32-1.c: New testcase.
	* gcc.target/i386/bmi2-bzhi32-1a.c: Likewise.
	* gcc.target/i386/bmi2-bzhi64-1.c: Likewise.
	* gcc.target/i386/bmi2-bzhi64-1a.c: Likewise.
	* gcc.target/i386/bmi2-mulx32-1.c: Likewise.
	* gcc.target/i386/bmi2-mulx32-1a.c: Likewise.
	* gcc.target/i386/bmi2-mulx64-1.c: Likewise.
	* gcc.target/i386/bmi2-mulx64-1a.c: Likewise.
	* gcc.target/i386/bmi2-pdep32-1.c: Likewise.
	* gcc.target/i386/bmi2-pdep32-1a.c: Likewise.
	* gcc.target/i386/bmi2-pdep64-1.c: Likewise.
	* gcc.target/i386/bmi2-pdep64-1a.c: Likewise.
	* gcc.target/i386/bmi2-pext32-1.c: Likewise.
	* gcc.target/i386/bmi2-pext32-1a.c: Likewise.
	* gcc.target/i386/bmi2-pext64-1.c: Likewise.
	* gcc.target/i386/bmi2-pext64-1a.c: Likewise.
	* gcc.target/i386/bmi2-rorx32-1.c: Likewise.
	* gcc.target/i386/bmi2-rorx32-1a.c: Likewise.
	* gcc.target/i386/bmi2-rorx64-1.c: Likewise.
	* gcc.target/i386/bmi2-rorx64-1a.c: Likewise.
	* gcc.target/i386/bmi2-sarx32-1.c: Likewise.
	* gcc.target/i386/bmi2-sarx32-1a.c: Likewise.
	* gcc.target/i386/bmi2-sarx64-1.c: Likewise.
	* gcc.target/i386/bmi2-sarx64-1a.c: Likewise.
	* gcc.target/i386/bmi2-shlx32-1.c: Likewise.
	* gcc.target/i386/bmi2-shlx32-1a.c: Likewise.
	* gcc.target/i386/bmi2-shlx64-1.c: Likewise.
	* gcc.target/i386/bmi2-shlx64-1a.c: Likewise.
	* gcc.target/i386/bmi2-shrx32-1.c: Likewise.
	* gcc.target/i386/bmi2-shrx32-1a.c: Likewise.
	* gcc.target/i386/bmi2-shrx64-1.c: Likewise.
	* gcc.target/i386/bmi2-shrx64-1a.c: Likewise.
	* gcc.target/i386/i386.exp (check_effective_target_bmi2): New.
	* gcc.target/i386/sse-12.c: Add BMI2.
	* gcc.target/i386/sse-13.c: Likewise.
	* gcc.target/i386/sse-14.c: Likewise.
	* gcc.target/i386/sse-22.c: Likewise.
	* gcc.target/i386/sse-23.c: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178001 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 15 insertions, 0 deletions

diff --git a/gcc/common/config/i386/i386-common.c b/gcc/common/config/i386/i386-common.c
index b2018357dfd..99643d65f9b 100644
--- a/gcc/common/config/i386/i386-common.c
+++ b/gcc/common/config/i386/i386-common.c
@@ -79,6 +79,7 @@ along with GCC; see the file COPYING3.  If not see
   (OPTION_MASK_ISA_ABM | OPTION_MASK_ISA_POPCNT)
 
 #define OPTION_MASK_ISA_BMI_SET OPTION_MASK_ISA_BMI
+#define OPTION_MASK_ISA_BMI2_SET OPTION_MASK_ISA_BMI2
 #define OPTION_MASK_ISA_TBM_SET OPTION_MASK_ISA_TBM
 #define OPTION_MASK_ISA_POPCNT_SET OPTION_MASK_ISA_POPCNT
 #define OPTION_MASK_ISA_CX16_SET OPTION_MASK_ISA_CX16
@@ -137,6 +138,7 @@ along with GCC; see the file COPYING3.  If not see
 #define OPTION_MASK_ISA_PCLMUL_UNSET OPTION_MASK_ISA_PCLMUL
 #define OPTION_MASK_ISA_ABM_UNSET OPTION_MASK_ISA_ABM
 #define OPTION_MASK_ISA_BMI_UNSET OPTION_MASK_ISA_BMI
+#define OPTION_MASK_ISA_BMI2_UNSET OPTION_MASK_ISA_BMI2
 #define OPTION_MASK_ISA_TBM_UNSET OPTION_MASK_ISA_TBM
 #define OPTION_MASK_ISA_POPCNT_UNSET OPTION_MASK_ISA_POPCNT
 #define OPTION_MASK_ISA_CX16_UNSET OPTION_MASK_ISA_CX16
@@ -395,6 +397,19 @@ ix86_handle_option (struct gcc_options *opts,
 	}
       return true;
 
+    case OPT_mbmi2:
+      if (value)
+	{
+	  opts->x_ix86_isa_flags |= OPTION_MASK_ISA_BMI2_SET;
+	  opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_BMI2_SET;
+	}
+      else
+	{
+	  opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_BMI2_UNSET;
+	  opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_BMI2_UNSET;
+	}
+      return true;
+
     case OPT_mtbm:
       if (value)
 	{