diff options
Diffstat (limited to 'toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106830.patch')
| -rw-r--r-- | toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106830.patch | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106830.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106830.patch deleted file mode 100644 index 695aa85591..0000000000 --- a/toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106830.patch +++ /dev/null @@ -1,304 +0,0 @@ -2011-10-19 Andrew Stubbs <ams@codesourcery.com> - - Backport from FSF: - - 2011-10-18 Andrew Stubbs <ams@codesourcery.com> - - * config/arm/driver-arm.c (host_detect_local_cpu): Close the file - before exiting. - - 2011-10-18 Andrew Stubbs <ams@codesourcery.com> - - gcc/ - * config.host (arm*-*-linux*): Add driver-arm.o and x-arm. - * config/arm/arm.opt: Add 'native' processor_type and - arm_arch enum values. - * config/arm/arm.h (host_detect_local_cpu): New prototype. - (EXTRA_SPEC_FUNCTIONS): New define. - (MCPU_MTUNE_NATIVE_SPECS): New define. - (DRIVER_SELF_SPECS): New define. - * config/arm/driver-arm.c: New file. - * config/arm/x-arm: New file. - * doc/invoke.texi (ARM Options): Document -mcpu=native, - -mtune=native and -march=native. - -=== modified file 'gcc/config.host' ---- old/gcc/config.host 2011-02-15 09:49:14 +0000 -+++ new/gcc/config.host 2011-10-19 17:01:50 +0000 -@@ -100,6 +100,14 @@ - esac - - case ${host} in -+ arm*-*-linux*) -+ case ${target} in -+ arm*-*-*) -+ host_extra_gcc_objs="driver-arm.o" -+ host_xmake_file="${host_xmake_file} arm/x-arm" -+ ;; -+ esac -+ ;; - alpha*-*-linux*) - case ${target} in - alpha*-*-linux*) - -=== modified file 'gcc/config/arm/arm.h' ---- old/gcc/config/arm/arm.h 2011-10-19 16:46:51 +0000 -+++ new/gcc/config/arm/arm.h 2011-10-19 17:01:50 +0000 -@@ -2283,4 +2283,21 @@ - " %{mcpu=generic-*:-march=%*;" \ - " :%{mcpu=*:-mcpu=%*} %{march=*:-march=%*}}" - -+/* -mcpu=native handling only makes sense with compiler running on -+ an ARM chip. */ -+#if defined(__arm__) -+extern const char *host_detect_local_cpu (int argc, const char **argv); -+# define EXTRA_SPEC_FUNCTIONS \ -+ { "local_cpu_detect", host_detect_local_cpu }, -+ -+# define MCPU_MTUNE_NATIVE_SPECS \ -+ " %{march=native:%<march=native %:local_cpu_detect(arch)}" \ -+ " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \ -+ " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" -+#else -+# define MCPU_MTUNE_NATIVE_SPECS "" -+#endif -+ -+#define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS -+ - #endif /* ! GCC_ARM_H */ - -=== modified file 'gcc/config/arm/arm.opt' ---- old/gcc/config/arm/arm.opt 2011-10-11 02:31:01 +0000 -+++ new/gcc/config/arm/arm.opt 2011-10-19 17:01:50 +0000 -@@ -48,6 +48,11 @@ - Target RejectNegative Joined - Specify the name of the target architecture - -+; Other arm_arch values are loaded from arm-tables.opt -+; but that is a generated file and this is an odd-one-out. -+EnumValue -+Enum(arm_arch) String(native) Value(-1) DriverOnly -+ - marm - Target RejectNegative InverseMask(THUMB) Undocumented - -@@ -153,6 +158,11 @@ - Target RejectNegative Joined - Tune code for the given processor - -+; Other processor_type values are loaded from arm-tables.opt -+; but that is a generated file and this is an odd-one-out. -+EnumValue -+Enum(processor_type) String(native) Value(-1) DriverOnly -+ - mwords-little-endian - Target Report RejectNegative Mask(LITTLE_WORDS) - Assume big endian bytes, little endian words - -=== added file 'gcc/config/arm/driver-arm.c' ---- old/gcc/config/arm/driver-arm.c 1970-01-01 00:00:00 +0000 -+++ new/gcc/config/arm/driver-arm.c 2011-10-19 17:07:55 +0000 -@@ -0,0 +1,149 @@ -+/* Subroutines for the gcc driver. -+ Copyright (C) 2011 Free Software Foundation, Inc. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tm.h" -+#include "configargs.h" -+ -+struct vendor_cpu { -+ const char *part_no; -+ const char *arch_name; -+ const char *cpu_name; -+}; -+ -+static struct vendor_cpu arm_cpu_table[] = { -+ {"0x926", "armv5te", "arm926ej-s"}, -+ {"0xa26", "armv5te", "arm1026ej-s"}, -+ {"0xb02", "armv6k", "mpcore"}, -+ {"0xb36", "armv6j", "arm1136j-s"}, -+ {"0xb56", "armv6t2", "arm1156t2-s"}, -+ {"0xb76", "armv6zk", "arm1176jz-s"}, -+ {"0xc05", "armv7-a", "cortex-a5"}, -+ {"0xc08", "armv7-a", "cortex-a8"}, -+ {"0xc09", "armv7-a", "cortex-a9"}, -+ {"0xc0f", "armv7-a", "cortex-a15"}, -+ {"0xc14", "armv7-r", "cortex-r4"}, -+ {"0xc15", "armv7-r", "cortex-r5"}, -+ {"0xc20", "armv6-m", "cortex-m0"}, -+ {"0xc21", "armv6-m", "cortex-m1"}, -+ {"0xc23", "armv7-m", "cortex-m3"}, -+ {"0xc24", "armv7e-m", "cortex-m4"}, -+ {NULL, NULL, NULL} -+}; -+ -+struct { -+ const char *vendor_no; -+ const struct vendor_cpu *vendor_parts; -+} vendors[] = { -+ {"0x41", arm_cpu_table}, -+ {NULL, NULL} -+}; -+ -+/* This will be called by the spec parser in gcc.c when it sees -+ a %:local_cpu_detect(args) construct. Currently it will be called -+ with either "arch", "cpu" or "tune" as argument depending on if -+ -march=native, -mcpu=native or -mtune=native is to be substituted. -+ -+ It returns a string containing new command line parameters to be -+ put at the place of the above two options, depending on what CPU -+ this is executed. E.g. "-march=armv7-a" on a Cortex-A8 for -+ -march=native. If the routine can't detect a known processor, -+ the -march or -mtune option is discarded. -+ -+ ARGC and ARGV are set depending on the actual arguments given -+ in the spec. */ -+const char * -+host_detect_local_cpu (int argc, const char **argv) -+{ -+ const char *val = NULL; -+ char buf[128]; -+ FILE *f = NULL; -+ bool arch; -+ const struct vendor_cpu *cpu_table = NULL; -+ -+ if (argc < 1) -+ goto not_found; -+ -+ arch = strcmp (argv[0], "arch") == 0; -+ if (!arch && strcmp (argv[0], "cpu") != 0 && strcmp (argv[0], "tune")) -+ goto not_found; -+ -+ f = fopen ("/proc/cpuinfo", "r"); -+ if (f == NULL) -+ goto not_found; -+ -+ while (fgets (buf, sizeof (buf), f) != NULL) -+ { -+ /* Ensure that CPU implementer is ARM (0x41). */ -+ if (strncmp (buf, "CPU implementer", sizeof ("CPU implementer") - 1) == 0) -+ { -+ int i; -+ for (i = 0; vendors[i].vendor_no != NULL; i++) -+ if (strstr (buf, vendors[i].vendor_no) != NULL) -+ { -+ cpu_table = vendors[i].vendor_parts; -+ break; -+ } -+ } -+ -+ /* Detect arch/cpu. */ -+ if (strncmp (buf, "CPU part", sizeof ("CPU part") - 1) == 0) -+ { -+ int i; -+ -+ if (cpu_table == NULL) -+ goto not_found; -+ -+ for (i = 0; cpu_table[i].part_no != NULL; i++) -+ if (strstr (buf, cpu_table[i].part_no) != NULL) -+ { -+ val = arch ? cpu_table[i].arch_name : cpu_table[i].cpu_name; -+ break; -+ } -+ break; -+ } -+ } -+ -+ fclose (f); -+ -+ if (val == NULL) -+ goto not_found; -+ -+ return concat ("-m", argv[0], "=", val, NULL); -+ -+not_found: -+ { -+ unsigned int i; -+ unsigned int opt; -+ const char *search[] = {NULL, "arch"}; -+ -+ if (f) -+ fclose (f); -+ -+ search[0] = argv[0]; -+ for (opt = 0; opt < ARRAY_SIZE (search); opt++) -+ for (i = 0; i < ARRAY_SIZE (configure_default_options); i++) -+ if (strcmp (configure_default_options[i].name, search[opt]) == 0) -+ return concat ("-m", search[opt], "=", -+ configure_default_options[i].value, NULL); -+ return NULL; -+ } -+} - -=== added file 'gcc/config/arm/x-arm' ---- old/gcc/config/arm/x-arm 1970-01-01 00:00:00 +0000 -+++ new/gcc/config/arm/x-arm 2011-10-19 17:01:50 +0000 -@@ -0,0 +1,3 @@ -+driver-arm.o: $(srcdir)/config/arm/driver-arm.c \ -+ $(CONFIG_H) $(SYSTEM_H) -+ $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $< - -=== modified file 'gcc/doc/invoke.texi' ---- old/gcc/doc/invoke.texi 2011-10-19 16:46:51 +0000 -+++ new/gcc/doc/invoke.texi 2011-10-19 17:01:50 +0000 -@@ -10215,10 +10215,16 @@ - @samp{cortex-m0}, - @samp{xscale}, @samp{iwmmxt}, @samp{iwmmxt2}, @samp{ep9312}. - -+ - @option{-mcpu=generic-@var{arch}} is also permissible, and is - equivalent to @option{-march=@var{arch} -mtune=generic-@var{arch}}. - See @option{-mtune} for more information. - -+@option{-mcpu=native} causes the compiler to auto-detect the CPU -+of the build computer. At present, this feature is only supported on -+Linux, and not all architectures are recognised. If the auto-detect is -+unsuccessful the option has no effect. -+ - @item -mtune=@var{name} - @opindex mtune - This option is very similar to the @option{-mcpu=} option, except that -@@ -10237,6 +10243,11 @@ - range, and avoiding performance pitfalls of other CPUs. The effects of - this option may change in future GCC versions as CPU models come and go. - -+@option{-mtune=native} causes the compiler to auto-detect the CPU -+of the build computer. At present, this feature is only supported on -+Linux, and not all architectures are recognised. If the auto-detect is -+unsuccessful the option has no effect. -+ - @item -march=@var{name} - @opindex march - This specifies the name of the target ARM architecture. GCC uses this -@@ -10250,6 +10261,11 @@ - @samp{armv7}, @samp{armv7-a}, @samp{armv7-r}, @samp{armv7-m}, - @samp{iwmmxt}, @samp{iwmmxt2}, @samp{ep9312}. - -+@option{-march=native} causes the compiler to auto-detect the architecture -+of the build computer. At present, this feature is only supported on -+Linux, and not all architectures are recognised. If the auto-detect is -+unsuccessful the option has no effect. -+ - @item -mfpu=@var{name} - @itemx -mfpe=@var{number} - @itemx -mfp=@var{number} - |