AVX Programming Reference (January, 2009)

gcc/

2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>

	AVX Programming Reference (January, 2009)
	* config/i386/sse.md (*vpclmulqdq): New.

gcc/testsuite/

2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>

	AVX Programming Reference (January, 2009)
	* gcc.target/i386/avx-vpclmulqdq.c: New.
	* gcc.target/i386/pclmul-avx-check.h: Likewise.

	* gcc.target/i386/i386.exp (check_effective_target_vpclmul): New.

	* gcc.target/i386/pclmulqdq.c (CHECK_H): New.
	(TEST): Likewise.
	Include CHECK_H instead of "pclmul-check.h".
	(pclmul_test): Renamed to ...
	(TEST): This.

From-SVN: r143938

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 76d4500bae95a01adb5a58596968d16ff58f3f17..763db97661346b0e770967921d86c3b716e20287 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
+
+       AVX Programming Reference (January, 2009)
+       * config/i386/sse.md (*vpclmulqdq): New.
+
 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
 
        PR tree-optimization/38977

diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 393a3161da6ef28549c6080258ee39e54e875ea0..a54133378b592cbfda4a82278fe51872c0b1a4f8 100644 (file)
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -11509,6 +11509,18 @@
    (set_attr "prefix" "maybe_vex")
    (set_attr "mode" "TI")])
 
+(define_insn "*vpclmulqdq"
+  [(set (match_operand:V2DI 0 "register_operand" "=x")
+       (unspec:V2DI [(match_operand:V2DI 1 "register_operand" "x")
+                     (match_operand:V2DI 2 "nonimmediate_operand" "xm")
+                     (match_operand:SI 3 "const_0_to_255_operand" "n")]
+                    UNSPEC_PCLMUL))]
+  "TARGET_PCLMUL && TARGET_AVX"
+  "vpclmulqdq\t{%3, %2, %1, %0|%0, %1, %2, %3}"
+  [(set_attr "type" "sselog1")
+   (set_attr "prefix" "vex")
+   (set_attr "mode" "TI")])
+
 (define_insn "pclmulqdq"
   [(set (match_operand:V2DI 0 "register_operand" "=x")
        (unspec:V2DI [(match_operand:V2DI 1 "register_operand" "0")

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 37b578345503a2fc470d6ace173d39ae94804c5d..e4f877dc47ae460cee6fc1e48bdbf788decfbb5b 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,17 @@
+2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
+
+       AVX Programming Reference (January, 2009)
+       * gcc.target/i386/avx-vpclmulqdq.c: New.
+       * gcc.target/i386/pclmul-avx-check.h: Likewise.
+
+       * gcc.target/i386/i386.exp (check_effective_target_vpclmul): New.
+
+       * gcc.target/i386/pclmulqdq.c (CHECK_H): New.
+       (TEST): Likewise.
+       Include CHECK_H instead of "pclmul-check.h".
+       (pclmul_test): Renamed to ...
+       (TEST): This.
+
 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
 
        PR c++/39095

diff --git a/gcc/testsuite/gcc.target/i386/avx-vpclmulqdq.c b/gcc/testsuite/gcc.target/i386/avx-vpclmulqdq.c
new file mode 100644 (file)
index 0000000..9b015ab
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx-vpclmulqdq.c
@@ -0,0 +1,8 @@
+/* { dg-do run } */
+/* { dg-require-effective-target vpclmul } */
+/* { dg-options "-O2 -mpclmul -mavx" } */
+
+#define CHECK_H "pclmul-avx-check.h"
+#define TEST pclmul_avx_test
+
+#include "pclmulqdq.c"

diff --git a/gcc/testsuite/gcc.target/i386/i386.exp b/gcc/testsuite/gcc.target/i386/i386.exp
index 612bec48e79a6144ff2d046f268548d149198afe..fa470e11a66f13eac66f7565f94de4bdc4acb6fc 100644 (file)
--- a/gcc/testsuite/gcc.target/i386/i386.exp
+++ b/gcc/testsuite/gcc.target/i386/i386.exp
@@ -92,6 +92,21 @@ proc check_effective_target_pclmul { } {
     } "-O2 -mpclmul" ]
 }
 
+# Return 1 if vpclmul instructions can be compiled.
+proc check_effective_target_vpclmul { } {
+    return [check_no_compiler_messages vpclmul object {
+       typedef long long __m128i __attribute__ ((__vector_size__ (16)));
+       typedef long long __v2di __attribute__ ((__vector_size__ (16)));
+
+       __m128i pclmulqdq_test (__m128i __X, __m128i __Y)
+       {
+           return (__m128i) __builtin_ia32_pclmulqdq128 ((__v2di)__X,
+                                                         (__v2di)__Y,
+                                                         1);
+       }
+    } "-O2 -mpclmul -mavx" ]
+}
+
 # Return 1 if sse4a instructions can be compiled.
 proc check_effective_target_sse4a { } {
     return [check_no_compiler_messages sse4a object {

diff --git a/gcc/testsuite/gcc.target/i386/pclmul-avx-check.h b/gcc/testsuite/gcc.target/i386/pclmul-avx-check.h
new file mode 100644 (file)
index 0000000..de63333
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pclmul-avx-check.h
@@ -0,0 +1,31 @@
+#ifdef DEBUG
+#include <stdio.h>
+#endif
+#include <stdlib.h>
+#include "cpuid.h"
+
+static void pclmul_avx_test (void);
+
+int
+main ()
+{
+  unsigned int eax, ebx, ecx, edx;
+ 
+  if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
+    return 0;
+
+  /* Run PCLMUL + AVX test only if host has PCLMUL + AVX support.  */
+  if ((ecx & (bit_AVX | bit_PCLMUL)) == (bit_AVX | bit_PCLMUL))
+    {
+      pclmul_avx_test ();
+#ifdef DEBUG
+      printf ("PASSED\n");
+#endif
+    }
+#ifdef DEBUG
+  else
+    printf ("SKIPPED\n");
+#endif
+
+  return 0;
+}

diff --git a/gcc/testsuite/gcc.target/i386/pclmulqdq.c b/gcc/testsuite/gcc.target/i386/pclmulqdq.c
index d4ab8493e312b0035bceded9dcf05f9efa5733c4..1c1d2aabeb617f5e17996a9e7e0c8acf22ed7ac2 100644 (file)
--- a/gcc/testsuite/gcc.target/i386/pclmulqdq.c
+++ b/gcc/testsuite/gcc.target/i386/pclmulqdq.c
@@ -2,11 +2,19 @@
 /* { dg-require-effective-target pclmul } */
 /* { dg-options "-O2 -mpclmul" } */
 
+#ifndef CHECK_H
+#define CHECK_H "pclmul-check.h"
+#endif
+
+#ifndef TEST
+#define TEST pclmul_test
+#endif
+
+#include CHECK_H
+
 #include <wmmintrin.h>
 #include <string.h>
 
-#include "pclmul-check.h"
-
 extern void abort (void);
 
 #define NUM 1024
@@ -54,7 +62,7 @@ init_data (__m128i *ls1,   __m128i *ls2, __m128i *le_00, __m128i *le_01,
 }
 
 static void
-pclmul_test (void)
+TEST (void)
 {
   int i;