* [committed, PATCH] Add Knights Landing support to __builtin_cpu_is
@ 2015-08-12 14:51 H.J. Lu
0 siblings, 0 replies; only message in thread
From: H.J. Lu @ 2015-08-12 14:51 UTC (permalink / raw)
To: gcc-patches; +Cc: Uros Bizjak
This patch adds Knights Landing support to __builtin_cpu_is.
gcc/testsuite/
* gcc.target/i386/builtin_target.c (check_intel_cpu_model):
Check Knights Landing support.
libgcc/
* config/i386/cpuinfo.c (processor_types): Add INTEL_KNL.
(get_intel_cpu): Add Knights Landing support.
---
gcc/testsuite/gcc.target/i386/builtin_target.c | 4 ++++
libgcc/config/i386/cpuinfo.c | 5 +++++
2 files changed, 9 insertions(+)
diff --git a/gcc/testsuite/gcc.target/i386/builtin_target.c b/gcc/testsuite/gcc.target/i386/builtin_target.c
index 4adea27..068db23 100644
--- a/gcc/testsuite/gcc.target/i386/builtin_target.c
+++ b/gcc/testsuite/gcc.target/i386/builtin_target.c
@@ -38,6 +38,10 @@ check_intel_cpu_model (unsigned int family, unsigned int model,
/* Silvermont. */
assert (__builtin_cpu_is ("silvermont"));
break;
+ case 0x57:
+ /* Knights Landing. */
+ assert (__builtin_cpu_is ("knl"));
+ break;
case 0x1a:
case 0x1e:
case 0x1f:
diff --git a/libgcc/config/i386/cpuinfo.c b/libgcc/config/i386/cpuinfo.c
index 25d85e4..b7b11de 100644
--- a/libgcc/config/i386/cpuinfo.c
+++ b/libgcc/config/i386/cpuinfo.c
@@ -56,6 +56,7 @@ enum processor_types
AMDFAM10H,
AMDFAM15H,
INTEL_SILVERMONT,
+ INTEL_KNL,
AMD_BTVER1,
AMD_BTVER2,
CPU_TYPE_MAX
@@ -197,6 +198,10 @@ get_intel_cpu (unsigned int family, unsigned int model, unsigned int brand_id)
/* Silvermont. */
__cpu_model.__cpu_type = INTEL_SILVERMONT;
break;
+ case 0x57:
+ /* Knights Landing. */
+ __cpu_model.__cpu_type = INTEL_KNL;
+ break;
case 0x1a:
case 0x1e:
case 0x1f:
--
2.4.3
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2015-08-12 14:51 [committed, PATCH] Add Knights Landing support to __builtin_cpu_is H.J. Lu
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