From 73127104a245052cd5cf29cdaaca3e5c32c70348 Mon Sep 17 00:00:00 2001 From: CoprDistGit Date: Fri, 28 Feb 2025 10:03:49 +0000 Subject: automatic import of gcc --- 0020-simdmath-Enable-simdmath-on-kunpeng.patch | 317 +++++++++++++++++++++++++ 1 file changed, 317 insertions(+) create mode 100644 0020-simdmath-Enable-simdmath-on-kunpeng.patch (limited to '0020-simdmath-Enable-simdmath-on-kunpeng.patch') diff --git a/0020-simdmath-Enable-simdmath-on-kunpeng.patch b/0020-simdmath-Enable-simdmath-on-kunpeng.patch new file mode 100644 index 0000000..f6b7a48 --- /dev/null +++ b/0020-simdmath-Enable-simdmath-on-kunpeng.patch @@ -0,0 +1,317 @@ +From 49ad10199dbdda2c36850a2617f5c985977939c5 Mon Sep 17 00:00:00 2001 +From: bule +Date: Sun, 27 Aug 2023 16:49:42 +0800 +Subject: [PATCH 20/22] [simdmath] Enable simdmath on kunpeng + +This enable simd math function supported by libmathlib on fortran/c/c++. +Use -fsimdmath to turn on the generation of simdmath function. The +supported functions can be found in simdmath.h. Add more simd declaration +if you need more kinds of math functions. -msimdmath-64 is used to turn +on 64-bit simd math functions which is not supported by libmathlib. +Therefore, this option is default to off. +--- + gcc/c-family/c-opts.cc | 4 ++ + gcc/common.opt | 4 ++ + gcc/config/aarch64/aarch64.cc | 9 ++++- + gcc/config/aarch64/aarch64.opt | 6 +++ + gcc/fortran/scanner.cc | 3 ++ + gcc/opts.cc | 17 ++++++++ + .../gcc.target/aarch64/simd_pcs_attribute-3.c | 2 +- + libgomp/Makefile.am | 4 +- + libgomp/Makefile.in | 10 +++-- + libgomp/configure | 4 +- + libgomp/configure.ac | 2 +- + libgomp/simdmath.h.in | 40 +++++++++++++++++++ + libgomp/simdmath_f.h.in | 11 +++++ + 13 files changed, 106 insertions(+), 10 deletions(-) + create mode 100644 libgomp/simdmath.h.in + create mode 100644 libgomp/simdmath_f.h.in + +diff --git a/gcc/c-family/c-opts.cc b/gcc/c-family/c-opts.cc +index a341a0617..5134f6128 100644 +--- a/gcc/c-family/c-opts.cc ++++ b/gcc/c-family/c-opts.cc +@@ -801,6 +801,10 @@ c_common_post_options (const char **pfilename) + if (cpp_opts->deps.style == DEPS_NONE) + check_deps_environment_vars (); + ++ if (flag_simdmath) ++ { ++ defer_opt (OPT_include, "simdmath.h"); ++ } + handle_deferred_opts (); + + sanitize_cpp_opts (); +diff --git a/gcc/common.opt b/gcc/common.opt +index f5eef8a45..e9d580957 100644 +--- a/gcc/common.opt ++++ b/gcc/common.opt +@@ -2125,6 +2125,10 @@ fmath-errno + Common Var(flag_errno_math) Init(1) Optimization SetByCombined + Set errno after built-in math functions. + ++fsimdmath ++Common Var(flag_simdmath) Init(0) Optimization ++Enable auto-vectorize math functions for mathlib. This option will turn on -fno-math-errno and -fopenmp-simd. ++ + fmax-errors= + Common Joined RejectNegative UInteger Var(flag_max_errors) + -fmax-errors= Maximum number of errors to report. +diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc +index 226dc9dff..a3da4ca30 100644 +--- a/gcc/config/aarch64/aarch64.cc ++++ b/gcc/config/aarch64/aarch64.cc +@@ -26904,8 +26904,13 @@ aarch64_simd_clone_compute_vecsize_and_simdlen (struct cgraph_node *node, + elt_bits = GET_MODE_BITSIZE (SCALAR_TYPE_MODE (base_type)); + if (known_eq (clonei->simdlen, 0U)) + { +- count = 2; +- vec_bits = (num == 0 ? 64 : 128); ++ /* Currently mathlib or sleef hasn't provide function for V2SF mode ++ simdclone of single precision functions. (e.g._ZCVnN2v_expf) ++ Therefore this mode is disabled by default to avoid link error. ++ Use -msimdmath-64 option to enable this mode. */ ++ count = flag_simdmath_64 ? 2 : 1; ++ vec_bits = ((num == 0 && flag_simdmath_64) ? 64 : 128); ++ + clonei->simdlen = exact_div (vec_bits, elt_bits); + } + else +diff --git a/gcc/config/aarch64/aarch64.opt b/gcc/config/aarch64/aarch64.opt +index 92220b26e..a64b927e9 100644 +--- a/gcc/config/aarch64/aarch64.opt ++++ b/gcc/config/aarch64/aarch64.opt +@@ -190,6 +190,12 @@ precision of square root results to about 16 bits for + single precision and to 32 bits for double precision. + If enabled, it implies -mlow-precision-recip-sqrt. + ++msimdmath-64 ++Target Var(flag_simdmath_64) Optimization ++Allow compiler to generate V2SF 64 bits simdclone of math functions, ++which is not currently supported in mathlib or sleef. ++Therefore this option is disabled by default. ++ + mlow-precision-div + Target Var(flag_mlow_precision_div) Optimization + Enable the division approximation. Enabling this reduces +diff --git a/gcc/fortran/scanner.cc b/gcc/fortran/scanner.cc +index 2dff25147..63e262f51 100644 +--- a/gcc/fortran/scanner.cc ++++ b/gcc/fortran/scanner.cc +@@ -2769,6 +2769,9 @@ gfc_new_file (void) + if (flag_pre_include != NULL) + load_file (flag_pre_include, NULL, false); + ++ if (flag_simdmath) ++ load_file ("simdmath_f.h", NULL, false); ++ + if (gfc_cpp_enabled ()) + { + gfc_cpp_preprocess (gfc_source_file); +diff --git a/gcc/opts.cc b/gcc/opts.cc +index b522ed7e2..c3cc2c169 100644 +--- a/gcc/opts.cc ++++ b/gcc/opts.cc +@@ -322,6 +322,7 @@ static const char undocumented_msg[] = N_("This option lacks documentation."); + static const char use_diagnosed_msg[] = N_("Uses of this option are diagnosed."); + + typedef char *char_p; /* For DEF_VEC_P. */ ++static void set_simdmath_flags (struct gcc_options *opts, int set); + + static void set_debug_level (uint32_t dinfo, int extended, + const char *arg, struct gcc_options *opts, +@@ -2850,6 +2851,10 @@ common_handle_option (struct gcc_options *opts, + dc->min_margin_width = value; + break; + ++ case OPT_fsimdmath: ++ set_simdmath_flags (opts, value); ++ break; ++ + case OPT_fdump_: + /* Deferred. */ + break; +@@ -3227,6 +3232,18 @@ common_handle_option (struct gcc_options *opts, + return true; + } + ++/* The following routines are used to set -fno-math-errno and -fopenmp-simd ++ to enable vector mathlib. */ ++static void ++set_simdmath_flags (struct gcc_options *opts, int set) ++{ ++ if (set) ++ { ++ opts->x_flag_errno_math = 0; ++ opts->x_flag_openmp_simd = 1; ++ } ++} ++ + /* Used to set the level of strict aliasing warnings in OPTS, + when no level is specified (i.e., when -Wstrict-aliasing, and not + -Wstrict-aliasing=level was given). +diff --git a/gcc/testsuite/gcc.target/aarch64/simd_pcs_attribute-3.c b/gcc/testsuite/gcc.target/aarch64/simd_pcs_attribute-3.c +index 95f6a6803..e0e0efa9d 100644 +--- a/gcc/testsuite/gcc.target/aarch64/simd_pcs_attribute-3.c ++++ b/gcc/testsuite/gcc.target/aarch64/simd_pcs_attribute-3.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-Ofast" } */ ++/* { dg-options "-Ofast -msimdmath-64" } */ + + __attribute__ ((__simd__)) + __attribute__ ((__nothrow__ , __leaf__ , __const__)) +diff --git a/libgomp/Makefile.am b/libgomp/Makefile.am +index f8b2a06d6..8dfa160d6 100644 +--- a/libgomp/Makefile.am ++++ b/libgomp/Makefile.am +@@ -75,10 +75,10 @@ libgomp_la_SOURCES += openacc.f90 + endif + + nodist_noinst_HEADERS = libgomp_f.h +-nodist_libsubinclude_HEADERS = omp.h openacc.h acc_prof.h ++nodist_libsubinclude_HEADERS = omp.h openacc.h acc_prof.h simdmath.h + if USE_FORTRAN + nodist_finclude_HEADERS = omp_lib.h omp_lib.f90 omp_lib.mod omp_lib_kinds.mod \ +- openacc_lib.h openacc.f90 openacc.mod openacc_kinds.mod ++ openacc_lib.h openacc.f90 openacc.mod openacc_kinds.mod simdmath_f.h + endif + + LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS)) +diff --git a/libgomp/Makefile.in b/libgomp/Makefile.in +index 6f0cb7161..90fc326f0 100644 +--- a/libgomp/Makefile.in ++++ b/libgomp/Makefile.in +@@ -147,7 +147,7 @@ am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \ + configure.lineno config.status.lineno + mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs + CONFIG_HEADER = config.h +-CONFIG_CLEAN_FILES = omp.h omp_lib.h omp_lib.f90 libgomp_f.h \ ++CONFIG_CLEAN_FILES = omp.h omp_lib.h simdmath.h simdmath_f.h omp_lib.f90 libgomp_f.h \ + libgomp.spec + CONFIG_CLEAN_VPATH_FILES = + am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +@@ -583,9 +583,9 @@ libgomp_la_SOURCES = alloc.c atomic.c barrier.c critical.c env.c \ + @PLUGIN_GCN_TRUE@libgomp_plugin_gcn_la_LIBADD = libgomp.la $(PLUGIN_GCN_LIBS) + @PLUGIN_GCN_TRUE@libgomp_plugin_gcn_la_LIBTOOLFLAGS = --tag=disable-static + nodist_noinst_HEADERS = libgomp_f.h +-nodist_libsubinclude_HEADERS = omp.h openacc.h acc_prof.h ++nodist_libsubinclude_HEADERS = omp.h openacc.h acc_prof.h simdmath.h + @USE_FORTRAN_TRUE@nodist_finclude_HEADERS = omp_lib.h omp_lib.f90 omp_lib.mod omp_lib_kinds.mod \ +-@USE_FORTRAN_TRUE@ openacc_lib.h openacc.f90 openacc.mod openacc_kinds.mod ++@USE_FORTRAN_TRUE@ openacc_lib.h openacc.f90 openacc.mod openacc_kinds.mod simdmath_f.h + + LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS)) + LINK = $(LIBTOOL) --tag CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link \ +@@ -676,6 +676,10 @@ omp.h: $(top_builddir)/config.status $(srcdir)/omp.h.in + cd $(top_builddir) && $(SHELL) ./config.status $@ + omp_lib.h: $(top_builddir)/config.status $(srcdir)/omp_lib.h.in + cd $(top_builddir) && $(SHELL) ./config.status $@ ++simdmath_f.h: $(top_builddir)/config.status $(srcdir)/simdmath_f.h.in ++ cd $(top_builddir) && $(SHELL) ./config.status $@ ++simdmath.h: $(top_builddir)/config.status $(srcdir)/simdmath.h.in ++ cd $(top_builddir) && $(SHELL) ./config.status $@ + omp_lib.f90: $(top_builddir)/config.status $(srcdir)/omp_lib.f90.in + cd $(top_builddir) && $(SHELL) ./config.status $@ + libgomp_f.h: $(top_builddir)/config.status $(srcdir)/libgomp_f.h.in +diff --git a/libgomp/configure b/libgomp/configure +index 85fdb4d3f..471c957b7 100755 +--- a/libgomp/configure ++++ b/libgomp/configure +@@ -17064,7 +17064,7 @@ fi + + + +-ac_config_files="$ac_config_files omp.h omp_lib.h omp_lib.f90 libgomp_f.h" ++ac_config_files="$ac_config_files omp.h omp_lib.h simdmath.h simdmath_f.h omp_lib.f90 libgomp_f.h" + + ac_config_files="$ac_config_files Makefile testsuite/Makefile libgomp.spec" + +@@ -18215,6 +18215,8 @@ do + "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;; + "omp.h") CONFIG_FILES="$CONFIG_FILES omp.h" ;; + "omp_lib.h") CONFIG_FILES="$CONFIG_FILES omp_lib.h" ;; ++ "simdmath.h") CONFIG_FILES="$CONFIG_FILES simdmath.h" ;; ++ "simdmath_f.h") CONFIG_FILES="$CONFIG_FILES simdmath_f.h" ;; + "omp_lib.f90") CONFIG_FILES="$CONFIG_FILES omp_lib.f90" ;; + "libgomp_f.h") CONFIG_FILES="$CONFIG_FILES libgomp_f.h" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; +diff --git a/libgomp/configure.ac b/libgomp/configure.ac +index a9b1f3973..1f81a0d30 100644 +--- a/libgomp/configure.ac ++++ b/libgomp/configure.ac +@@ -472,7 +472,7 @@ CFLAGS="$save_CFLAGS" + # Determine what GCC version number to use in filesystem paths. + GCC_BASE_VER + +-AC_CONFIG_FILES(omp.h omp_lib.h omp_lib.f90 libgomp_f.h) ++AC_CONFIG_FILES(omp.h omp_lib.h simdmath.h simdmath_f.h omp_lib.f90 libgomp_f.h) + AC_CONFIG_FILES(Makefile testsuite/Makefile libgomp.spec) + AC_CONFIG_FILES([testsuite/libgomp-test-support.pt.exp:testsuite/libgomp-test-support.exp.in]) + AC_CONFIG_FILES([testsuite/libgomp-site-extra.exp]) +diff --git a/libgomp/simdmath.h.in b/libgomp/simdmath.h.in +new file mode 100644 +index 000000000..ab91a4ec3 +--- /dev/null ++++ b/libgomp/simdmath.h.in +@@ -0,0 +1,40 @@ ++#ifdef __cplusplus ++extern "C" { ++#endif ++ ++#pragma omp declare simd simdlen(2) notinbranch ++double cos (double x); ++ ++#pragma omp declare simd simdlen(4) notinbranch ++float cosf (float x); ++ ++#pragma omp declare simd simdlen(2) notinbranch ++double sin (double x); ++ ++#pragma omp declare simd simdlen(4) notinbranch ++float sinf (float x); ++ ++#pragma omp declare simd simdlen(2) notinbranch ++double exp (double x); ++ ++#pragma omp declare simd simdlen(4) notinbranch ++float expf (float x); ++ ++#pragma omp declare simd simdlen(2) notinbranch ++double log (double x); ++ ++#pragma omp declare simd simdlen(4) notinbranch ++float logf (float x); ++ ++#pragma omp declare simd simdlen(2) notinbranch ++double pow (double x, double y); ++ ++#pragma omp declare simd simdlen(4) notinbranch ++float powf (float x, float y); ++ ++#pragma omp declare simd simdlen(4) notinbranch ++float exp2f (float x); ++ ++#ifdef __cplusplus ++} // extern "C" ++#endif +diff --git a/libgomp/simdmath_f.h.in b/libgomp/simdmath_f.h.in +new file mode 100644 +index 000000000..550595015 +--- /dev/null ++++ b/libgomp/simdmath_f.h.in +@@ -0,0 +1,11 @@ ++!GCC$ builtin (cos) attributes simd (notinbranch) ++!GCC$ builtin (cosf) attributes simd (notinbranch) ++!GCC$ builtin (sin) attributes simd (notinbranch) ++!GCC$ builtin (sinf) attributes simd (notinbranch) ++!GCC$ builtin (exp) attributes simd (notinbranch) ++!GCC$ builtin (expf) attributes simd (notinbranch) ++!GCC$ builtin (exp2f) attributes simd (notinbranch) ++!GCC$ builtin (log) attributes simd (notinbranch) ++!GCC$ builtin (logf) attributes simd (notinbranch) ++!GCC$ builtin (pow) attributes simd (notinbranch) ++!GCC$ builtin (powf) attributes simd (notinbranch) +-- +2.33.0 + -- cgit v1.2.3