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dirtyepic 13/08/29 04:45:57 |
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|
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Modified: README.history |
| 4 |
Added: 97_all_native-ivybridge-haswell.patch |
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Log: |
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Add -march=native support for Ivy Bridge and Haswell. |
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|
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Revision Changes Path |
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1.5 src/patchsets/gcc/4.8.1/gentoo/README.history |
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|
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file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.8.1/gentoo/README.history?rev=1.5&view=markup |
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plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.8.1/gentoo/README.history?rev=1.5&content-type=text/plain |
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diff : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.8.1/gentoo/README.history?r1=1.4&r2=1.5 |
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|
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Index: README.history |
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=================================================================== |
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RCS file: /var/cvsroot/gentoo/src/patchsets/gcc/4.8.1/gentoo/README.history,v |
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retrieving revision 1.4 |
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retrieving revision 1.5 |
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diff -u -r1.4 -r1.5 |
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--- README.history 29 Aug 2013 04:35:06 -0000 1.4 |
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+++ README.history 29 Aug 2013 04:45:57 -0000 1.5 |
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@@ -1,5 +1,6 @@ |
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1.2 (pending) |
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- 20_all_libgcc-ldflags.patch |
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+ + 97_all_native-ivybridge-haswell.patch |
| 27 |
|
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1.1 26 Aug 2013 |
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+ 17_all_libitm-Werror.patch |
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|
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|
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|
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1.1 src/patchsets/gcc/4.8.1/gentoo/97_all_native-ivybridge-haswell.patch |
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|
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file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.8.1/gentoo/97_all_native-ivybridge-haswell.patch?rev=1.1&view=markup |
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plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/4.8.1/gentoo/97_all_native-ivybridge-haswell.patch?rev=1.1&content-type=text/plain |
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|
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Index: 97_all_native-ivybridge-haswell.patch |
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=================================================================== |
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Backport -march=native support for Ivy Bridge (core-avx-i) and Haswell |
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(core-avx2). |
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|
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http://gcc.gnu.org/PR57927 |
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|
| 45 |
|
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commit 78a5e928bc94e1ef35dc15853a609863bd10b327 |
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Author: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> |
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Date: Wed Aug 28 08:25:13 2013 +0000 |
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|
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Backport from mainline |
| 51 |
2013-08-27 H.J. Lu <hongjiu.lu@×××××.com> |
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|
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* config/i386/driver-i386.c (host_detect_local_cpu): Update |
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Haswell processor detection. |
| 55 |
|
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Backport from mainline |
| 57 |
2013-08-27 Christian Widmer <shadow@××××××.de> |
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|
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PR target/57927 |
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* config/i386/driver-i386.c (host_detect_local_cpu): Add detection |
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of Ivy Bridge and Haswell processors. Assume core-avx2 for unknown |
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AVX2 capable processors. |
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|
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|
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|
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@202045 138bc75d-0d04-0410-961f-82ee72b054a4 |
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--- |
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gcc/ChangeLog | 20 ++++++++++++++++++-- |
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gcc/config/i386/driver-i386.c | 30 ++++++++++++++++++++---------- |
| 70 |
2 files changed, 38 insertions(+), 12 deletions(-) |
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|
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|
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--- a/gcc/config/i386/driver-i386.c |
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+++ b/gcc/config/i386/driver-i386.c |
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@@ -638,13 +638,18 @@ const char *host_detect_local_cpu (int argc, const char **argv) |
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/* Atom. */ |
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cpu = "atom"; |
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break; |
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+ case 0x0f: |
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+ /* Merom. */ |
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+ case 0x17: |
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+ case 0x1d: |
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+ /* Penryn. */ |
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+ cpu = "core2"; |
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+ break; |
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case 0x1a: |
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case 0x1e: |
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case 0x1f: |
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case 0x2e: |
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/* Nehalem. */ |
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- cpu = "corei7"; |
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- break; |
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case 0x25: |
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case 0x2c: |
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case 0x2f: |
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@@ -656,20 +661,25 @@ const char *host_detect_local_cpu (int argc, const char **argv) |
| 97 |
/* Sandy Bridge. */ |
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cpu = "corei7-avx"; |
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break; |
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- case 0x17: |
| 101 |
- case 0x1d: |
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- /* Penryn. */ |
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- cpu = "core2"; |
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+ case 0x3a: |
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+ case 0x3e: |
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+ /* Ivy Bridge. */ |
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+ cpu = "core-avx-i"; |
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break; |
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- case 0x0f: |
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- /* Merom. */ |
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- cpu = "core2"; |
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+ case 0x3c: |
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+ case 0x45: |
| 114 |
+ case 0x46: |
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+ /* Haswell. */ |
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+ cpu = "core-avx2"; |
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break; |
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default: |
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if (arch) |
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{ |
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/* This is unknown family 0x6 CPU. */ |
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- if (has_avx) |
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+ if (has_avx2) |
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+ /* Assume Haswell. */ |
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+ cpu = "core-avx2"; |
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+ else if (has_avx) |
| 127 |
/* Assume Sandy Bridge. */ |
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cpu = "corei7-avx"; |
| 129 |
else if (has_sse4_2) |
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