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| author | Christian Widmer <shadow@umbrox.de> | 2013-08-27 17:24:37 +0000 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2013-08-27 19:24:37 +0200 |
| commit | 992592ec7a83b1001cf88633fae88d92f8dba79c (patch) | |
| tree | 793126886fa5cc9be9c2c5988dd901757e879112 | |
| parent | 9116eb22e40a1b87b603bccf96e0b4add7b09a3b (diff) | |
| download | gcc-992592ec7a83b1001cf88633fae88d92f8dba79c.zip gcc-992592ec7a83b1001cf88633fae88d92f8dba79c.tar.gz gcc-992592ec7a83b1001cf88633fae88d92f8dba79c.tar.bz2 | |
re PR target/57927 (-march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K))
PR target/57927
* config/i386/driver-i386.c (host_detect_local_cpu): Add detection
of Ivy Bridge and Haswell processors. Assume core-avx2 for unknown
AVX2 capable processors.
From-SVN: r202026
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/driver-i386.c | 28 |
2 files changed, 25 insertions, 10 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 902293b..9698dc9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2013-08-27 Christian Widmer <shadow@umbrox.de> + + PR target/57927 + * config/i386/driver-i386.c (host_detect_local_cpu): Add detection + of Ivy Bridge and Haswell processors. Assume core-avx2 for unknown + AVX2 capable processors. + 2013-08-27 Tejas Belagod <tejas.belagod@arm.com> * config/aarch64/arm_neon.h: Replace all inline asm implementations diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c index ee7ed23..001d12f 100644 --- a/gcc/config/i386/driver-i386.c +++ b/gcc/config/i386/driver-i386.c @@ -644,13 +644,18 @@ const char *host_detect_local_cpu (int argc, const char **argv) /* Atom. */ cpu = "atom"; break; + case 0x0f: + /* Merom. */ + case 0x17: + case 0x1d: + /* Penryn. */ + cpu = "core2"; + break; case 0x1a: case 0x1e: case 0x1f: case 0x2e: /* Nehalem. */ - cpu = "corei7"; - break; case 0x25: case 0x2c: case 0x2f: @@ -662,20 +667,23 @@ const char *host_detect_local_cpu (int argc, const char **argv) /* Sandy Bridge. */ cpu = "corei7-avx"; break; - case 0x17: - case 0x1d: - /* Penryn. */ - cpu = "core2"; + case 0x3a: + case 0x3e: + /* Ivy Bridge. */ + cpu = "core-avx-i"; break; - case 0x0f: - /* Merom. */ - cpu = "core2"; + case 0x3c: + /* Haswell. */ + cpu = "core-avx2"; break; default: if (arch) { /* This is unknown family 0x6 CPU. */ - if (has_avx) + if (has_avx2) + /* Assume Haswell. */ + cpu = "core-avx2"; + else if (has_avx) /* Assume Sandy Bridge. */ cpu = "corei7-avx"; else if (has_sse4_2) |