[gentoo-commits] gentoo commit in src/patchsets/gcc/4.3.3/gentoo: 93_all_gcc43-pr37179.patch README.history

[Mark Loeser (halcy0n)]

halcy0n     09/06/20 18:52:36

  Modified:             README.history
  Added:                93_all_gcc43-pr37179.patch
  Log:
  Add patches to fix -march=native on geode CPUs; bug #270409

Revision  Changes    Path
1.8                  src/patchsets/gcc/4.3.3/gentoo/README.history

file : http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/gcc/4.3.3/gentoo/README.history?rev=1.8&view=markup
plain: http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/gcc/4.3.3/gentoo/README.history?rev=1.8&content-type=text/plain
diff : http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/gcc/4.3.3/gentoo/README.history?r1=1.7&r2=1.8

Index: README.history
===================================================================
RCS file: /var/cvsroot/gentoo/src/patchsets/gcc/4.3.3/gentoo/README.history,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- README.history	24 May 2009 19:37:04 -0000	1.7
+++ README.history	20 Jun 2009 18:52:36 -0000	1.8
@@ -1,3 +1,6 @@
+1.3		pending
+	+ 93_all_gcc43-pr37179.patch
+
 1.2		24.05.2009
 	+ 79_all_arm-PR37436.patch
 	+ 92_all_gcc43-pr40105.patch



1.1                  src/patchsets/gcc/4.3.3/gentoo/93_all_gcc43-pr37179.patch

file : http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/gcc/4.3.3/gentoo/93_all_gcc43-pr37179.patch?rev=1.1&view=markup
plain: http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/gcc/4.3.3/gentoo/93_all_gcc43-pr37179.patch?rev=1.1&content-type=text/plain

Index: 93_all_gcc43-pr37179.patch
===================================================================
Index: branches/gcc-4_3-branch/gcc/ChangeLog
===================================================================
--- branches/gcc-4_3-branch/gcc/ChangeLog	(revision 147521)
+++ branches/gcc-4_3-branch/gcc/ChangeLog	(revision 147522)
@@ -1,3 +1,12 @@
[phone]  Uros Bizjak  <ubizjak@×××××.com>
+
+	PR target/37179
+	* config/i386/driver-i386.c (vendor_signatures): New enum.
+	(processor_signatures): Ditto.
+	(host_detect_local_cpu): Use vendor_signatures and
+	processor_signatures enums.  For SIG_AMD vendor, check for
+	SIG_GEODE processor signature to detect geode processor.
+
 2009-05-12  Tobias Burnus  <burnus@×××××.de>
 
 	PR bootstrap/40061
Index: branches/gcc-4_3-branch/gcc/config/i386/driver-i386.c
===================================================================
--- branches/gcc-4_3-branch/gcc/config/i386/driver-i386.c	(revision 147521)
+++ branches/gcc-4_3-branch/gcc/config/i386/driver-i386.c	(revision 147522)
@@ -1,5 +1,5 @@
 /* Subroutines for the gcc driver.
-   Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -151,6 +151,17 @@
   return describe_cache (l1_sizekb, l1_line, assoc);
 }
 
+enum vendor_signatures
+{
+  SIG_INTEL =	0x756e6547 /* Genu */,
+  SIG_AMD =	0x68747541 /* Auth */
+};
+
+enum processor_signatures
+{
+  SIG_GEODE =	0x646f6547 /* Geod */
+};
+
 /* 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" or "tune" as argument depending on if -march=native
@@ -231,27 +242,35 @@
 
   if (!arch)
     {
-      if (vendor == *(unsigned int*) "Auth")
+      if (vendor == SIG_AMD)
 	cache = detect_caches_amd (ext_level);
-      else if (vendor == *(unsigned int*) "Genu")
+      else if (vendor == SIG_INTEL)
 	cache = detect_caches_intel (max_level);
     }
 
-  if (vendor == *(unsigned int*) "Auth")
+  if (vendor == SIG_AMD)
     {
-      processor = PROCESSOR_PENTIUM;
+      unsigned int name;
 
-      if (has_mmx)
+      /* Detect geode processor by its processor signature.  */
+      if (ext_level > 0x80000001)
+	__cpuid (0x80000002, name, ebx, ecx, edx);
+      else
+	name = 0;
+
+      if (name == SIG_GEODE)
+	processor = PROCESSOR_GEODE;
+      else if (has_sse4a)
+	processor = PROCESSOR_AMDFAM10;
+      else if (has_sse2 || has_longmode)
+	processor = PROCESSOR_K8;
+      else if (has_3dnowp)
+	processor = PROCESSOR_ATHLON;
+      else if (has_mmx)
 	processor = PROCESSOR_K6;
-      if (has_3dnowp)
-	processor = PROCESSOR_ATHLON;
-      if (has_sse2 || has_longmode)
-	processor = PROCESSOR_K8;
-      if (has_sse4a)
-	processor = PROCESSOR_AMDFAM10;
+      else
+	processor = PROCESSOR_PENTIUM;
     }
-  else if (vendor == *(unsigned int*) "Geod")
-    processor = PROCESSOR_GEODE;
   else
     {
       switch (family)