Add -mveclibabi=mass
From-SVN: r163470
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Michael Meissner
Michael Meissner
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5 changed files with 191 additions and 1 deletions
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@ -1,3 +1,16 @@
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2010-08-23 Michael Meissner <meissner@linux.vnet.ibm.com>
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* config/rs6000/rs6000.opt (-mmass): New option to enable the
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compiler to autovectorize mathmetical functions for power7 using
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the Mathematical Acceleration Subsystem library.
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* config/rs6000/rs6000.c (rs6000_builtin_vectorized_libmass): New
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function to handle auto vectorizing math functions that are in the
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MASS library.
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(rs6000_builtin_vectorized_function): Call it.
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* doc/invoke.texi (RS/6000 and PowerPC Options): Document -mmass.
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2010-08-22 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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PR boehm-gc/34544
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@ -989,6 +989,7 @@ static rtx rs6000_emit_stack_reset (rs6000_stack_t *, rtx, rtx, int, bool);
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static rtx rs6000_make_savres_rtx (rs6000_stack_t *, rtx, int,
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enum machine_mode, bool, bool, bool);
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static bool rs6000_reg_live_or_pic_offset_p (int);
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static tree rs6000_builtin_vectorized_libmass (tree, tree, tree);
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static tree rs6000_builtin_vectorized_function (tree, tree, tree);
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static int rs6000_savres_strategy (rs6000_stack_t *, bool, int, int);
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static void rs6000_restore_saved_cr (rtx, int);
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@ -3602,6 +3603,145 @@ rs6000_parse_fpu_option (const char *option)
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return FPU_NONE;
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}
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/* Handler for the Mathematical Acceleration Subsystem (mass) interface to a
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library with vectorized intrinsics. */
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static tree
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rs6000_builtin_vectorized_libmass (tree fndecl, tree type_out, tree type_in)
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{
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char name[32];
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const char *suffix = NULL;
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tree fntype, new_fndecl, bdecl = NULL_TREE;
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int n_args = 1;
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const char *bname;
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enum machine_mode el_mode, in_mode;
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int n, in_n;
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/* Libmass is suitable for unsafe math only as it does not correctly support
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parts of IEEE with the required precision such as denormals. Only support
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it if we have VSX to use the simd d2 or f4 functions.
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XXX: Add variable length support. */
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if (!flag_unsafe_math_optimizations || !TARGET_VSX)
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return NULL_TREE;
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el_mode = TYPE_MODE (TREE_TYPE (type_out));
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n = TYPE_VECTOR_SUBPARTS (type_out);
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in_mode = TYPE_MODE (TREE_TYPE (type_in));
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in_n = TYPE_VECTOR_SUBPARTS (type_in);
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if (el_mode != in_mode
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|| n != in_n)
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return NULL_TREE;
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if (DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_NORMAL)
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{
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enum built_in_function fn = DECL_FUNCTION_CODE (fndecl);
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switch (fn)
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{
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case BUILT_IN_ATAN2:
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case BUILT_IN_HYPOT:
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case BUILT_IN_POW:
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n_args = 2;
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/* fall through */
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case BUILT_IN_ACOS:
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case BUILT_IN_ACOSH:
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case BUILT_IN_ASIN:
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case BUILT_IN_ASINH:
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case BUILT_IN_ATAN:
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case BUILT_IN_ATANH:
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case BUILT_IN_CBRT:
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case BUILT_IN_COS:
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case BUILT_IN_COSH:
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case BUILT_IN_ERF:
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case BUILT_IN_ERFC:
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case BUILT_IN_EXP2:
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case BUILT_IN_EXP:
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case BUILT_IN_EXPM1:
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case BUILT_IN_LGAMMA:
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case BUILT_IN_LOG10:
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case BUILT_IN_LOG1P:
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case BUILT_IN_LOG2:
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case BUILT_IN_LOG:
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case BUILT_IN_SIN:
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case BUILT_IN_SINH:
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case BUILT_IN_SQRT:
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case BUILT_IN_TAN:
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case BUILT_IN_TANH:
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bdecl = implicit_built_in_decls[fn];
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suffix = "d2"; /* pow -> powd2 */
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if (el_mode != DFmode
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|| n != 2)
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return NULL_TREE;
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break;
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case BUILT_IN_ATAN2F:
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case BUILT_IN_HYPOTF:
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case BUILT_IN_POWF:
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n_args = 2;
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/* fall through */
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case BUILT_IN_ACOSF:
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case BUILT_IN_ACOSHF:
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case BUILT_IN_ASINF:
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case BUILT_IN_ASINHF:
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case BUILT_IN_ATANF:
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case BUILT_IN_ATANHF:
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case BUILT_IN_CBRTF:
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case BUILT_IN_COSF:
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case BUILT_IN_COSHF:
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case BUILT_IN_ERFF:
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case BUILT_IN_ERFCF:
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case BUILT_IN_EXP2F:
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case BUILT_IN_EXPF:
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case BUILT_IN_EXPM1F:
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case BUILT_IN_LGAMMAF:
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case BUILT_IN_LOG10F:
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case BUILT_IN_LOG1PF:
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case BUILT_IN_LOG2F:
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case BUILT_IN_LOGF:
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case BUILT_IN_SINF:
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case BUILT_IN_SINHF:
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case BUILT_IN_SQRTF:
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case BUILT_IN_TANF:
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case BUILT_IN_TANHF:
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bdecl = implicit_built_in_decls[fn];
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suffix = "4"; /* powf -> powf4 */
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if (el_mode != SFmode
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|| n != 4)
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return NULL_TREE;
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break;
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default:
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return NULL_TREE;
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}
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}
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else
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return NULL_TREE;
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gcc_assert (suffix != NULL);
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bname = IDENTIFIER_POINTER (DECL_NAME (bdecl));
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strcpy (name, bname + sizeof ("__builtin_") - 1);
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strcat (name, suffix);
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if (n_args == 1)
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fntype = build_function_type_list (type_out, type_in, NULL);
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else if (n_args == 2)
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fntype = build_function_type_list (type_out, type_in, type_in, NULL);
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else
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gcc_unreachable ();
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/* Build a function declaration for the vectorized function. */
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new_fndecl = build_decl (BUILTINS_LOCATION,
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FUNCTION_DECL, get_identifier (name), fntype);
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TREE_PUBLIC (new_fndecl) = 1;
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DECL_EXTERNAL (new_fndecl) = 1;
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DECL_IS_NOVOPS (new_fndecl) = 1;
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TREE_READONLY (new_fndecl) = 1;
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return new_fndecl;
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}
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/* Returns a function decl for a vectorized version of the builtin function
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with builtin function code FN and the result vector type TYPE, or NULL_TREE
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if it is not available. */
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@ -3768,6 +3908,10 @@ rs6000_builtin_vectorized_function (tree fndecl, tree type_out,
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}
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}
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/* Generate calls to libmass if appropriate. */
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if (TARGET_MASS)
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return rs6000_builtin_vectorized_libmass (fndecl, type_out, type_in);
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return NULL_TREE;
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}
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@ -115,6 +115,10 @@ mpopcntd
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Target Report Mask(POPCNTD)
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Use PowerPC V2.06 popcntd instruction
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mmass
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Target Report Var(TARGET_MASS) Init(0)
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Use the Mathematical Acceleration Subsystem library high performance math libraries.
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mvsx
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Target Report Mask(VSX)
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Use vector/scalar (VSX) instructions
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@ -786,7 +786,9 @@ See RS/6000 and PowerPC Options.
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-mprototype -mno-prototype @gol
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-msim -mmvme -mads -myellowknife -memb -msdata @gol
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-msdata=@var{opt} -mvxworks -G @var{num} -pthread @gol
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-mrecip -mrecip=@var{opt} -mno-recip -mrecip-precision -mno-recip-precision}
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-mrecip -mrecip=@var{opt} -mno-recip -mrecip-precision
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-mno-recip-precision @gol
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-mmass}
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@emph{RX Options}
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@gccoptlist{-m64bit-doubles -m32bit-doubles -fpu -nofpu@gol
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@ -15847,6 +15849,29 @@ automatically selects @option{-mrecip-precision}. The double
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precision square root estimate instructions are not generated by
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default on low precision machines, since they do not provide an
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estimate that converges after three steps.
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@item -mmass
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@itemx -mno-mass
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@opindex mmass
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Specifies to use IBM's Mathematical Acceleration Subsystem (MASS)
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libraries for vectorizing intrinsics using external libraries. GCC
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will currently emit calls to @code{acosd2}, @code{acosf4},
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@code{acoshd2}, @code{acoshf4}, @code{asind2}, @code{asinf4},
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@code{asinhd2}, @code{asinhf4}, @code{atan2d2}, @code{atan2f4},
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@code{atand2}, @code{atanf4}, @code{atanhd2}, @code{atanhf4},
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@code{cbrtd2}, @code{cbrtf4}, @code{cosd2}, @code{cosf4},
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@code{coshd2}, @code{coshf4}, @code{erfcd2}, @code{erfcf4},
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@code{erfd2}, @code{erff4}, @code{exp2d2}, @code{exp2f4},
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@code{expd2}, @code{expf4}, @code{expm1d2}, @code{expm1f4},
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@code{hypotd2}, @code{hypotf4}, @code{lgammad2}, @code{lgammaf4},
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@code{log10d2}, @code{log10f4}, @code{log1pd2}, @code{log1pf4},
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@code{log2d2}, @code{log2f4}, @code{logd2}, @code{logf4},
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@code{powd2}, @code{powf4}, @code{sind2}, @code{sinf4}, @code{sinhd2},
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@code{sinhf4}, @code{sqrtd2}, @code{sqrtf4}, @code{tand2},
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@code{tanf4}, @code{tanhd2}, and @code{tanhf4} when generating code
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for power7. Both @option{-ftree-vectorize} and
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@option{-funsafe-math-optimizations} have to be enabled. The MASS
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libraries will have to be specified at link time.
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@end table
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@node RX Options
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@ -1,3 +1,7 @@
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2010-08-23 Michael Meissner <meissner@linux.vnet.ibm.com>
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* gcc.target/powerpc/vsx-mass-1.c: New file, test -mmass.
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2010-08-23 Janus Weil <janus@gcc.gnu.org>
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PR fortran/45366
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