i386-common.c (OPTION_MASK_ISA_RDSEED_SET): New.

/
        * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDSEED_SET): New.
        (OPTION_MASK_ISA_RDSEED_UNSET): Likewise.
        (ix86_handle_option): Handle mrdseed option.
        * config.gcc (i[34567]86-*-*): Add rdseedintrin.h.
        (x86_64-*-*): Likewise.
        * config/i386/prfchwintrin.h: New header.
        * config/i386/cpuid.h (bit_RDSEED): New.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        RDSEED support.
        * config/i386/i386-c.c: Define __RDSEED__ if needed.
        * config/i386/i386.c (ix86_target_string): Define
        -mrdseed option.
        (PTA_RDSEED): New.
        (ix86_option_override_internal): Handle new option.
        (ix86_valid_target_attribute_inner_p): Add OPT_mrdseed.
        (ix86_builtins): Add enum entries for RDSEED* builtins.
        (ix86_init_mmx_sse_builtins): Define new builtins.
        (ix86_expand_builtin): Expand RDSEED* builtins.
        * config/i386/i386.h (TARGET_RDSEED): New.
        * config/i386/i386.md (rdseed<mode>_1): New.
        * config/i386/i386.opt (mrdseed): New.
        * config/i386/x86intrin.h: Include rdseedintrin.h.

testsuite/
        * gcc.target/i386/rdseed16-1.c: New.
        * gcc.target/i386/rdseed32-1.c: Ditto
        * gcc.target/i386/rdseed64-1.c: Ditto
        * gcc.target/i386/sse-12.c: Add -mrdseed.
        * gcc.target/i386/sse-13.c: Ditto.
        * gcc.target/i386/sse-14.c: Ditto.
        * g++.dg/other/i386-2.C: Ditto.
        * g++.dg/other/i386-3.C: Ditto.




Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com>

From-SVN: r189973

8 files changed, 45 insertions, 6 deletions

diff --git a/gcc/testsuite/gcc.target/i386/rdseed16-1.c b/gcc/testsuite/gcc.target/i386/rdseed16-1.c
new file mode 100644
index 0000000..fe637f1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/rdseed16-1.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-mrdseed -O2" } */
+/* { dg-final { scan-assembler "rdseed\[ \\t\]+" } } */
+
+#include <x86intrin.h>
+
+void extern
+rdseed_test (unsigned short *p)
+{
+    volatile int r;
+    r = _rdseed16_step (p);
+}
+
diff --git a/gcc/testsuite/gcc.target/i386/rdseed32-1.c b/gcc/testsuite/gcc.target/i386/rdseed32-1.c
new file mode 100644
index 0000000..646dff2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/rdseed32-1.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-mrdseed -O2" } */
+/* { dg-final { scan-assembler "rdseed\[ \\t\]+" } } */
+
+#include <x86intrin.h>
+
+void extern
+rdseed_test (unsigned int *p)
+{
+    volatile int r;
+    r = _rdseed32_step (p);
+}
+
diff --git a/gcc/testsuite/gcc.target/i386/rdseed64-1.c b/gcc/testsuite/gcc.target/i386/rdseed64-1.c
new file mode 100644
index 0000000..bdacd7a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/rdseed64-1.c
@@ -0,0 +1,13 @@
+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-options "-mrdseed -O2" } */
+/* { dg-final { scan-assembler "rdseed\[ \\t\]+" } } */
+
+#include <x86intrin.h>
+
+void extern
+rdseed_test (unsigned long long *p)
+{
+    volatile int r;
+    r = _rdseed64_step (p);
+}
+
diff --git a/gcc/testsuite/gcc.target/i386/sse-12.c b/gcc/testsuite/gcc.target/i386/sse-12.c
index 19e0071..cb3ab18 100644
--- a/gcc/testsuite/gcc.target/i386/sse-12.c
+++ b/gcc/testsuite/gcc.target/i386/sse-12.c
@@ -3,7 +3,7 @@
    popcntintrin.h and mm_malloc.h are usable
    with -O -std=c89 -pedantic-errors.  */
 /* { dg-do compile } */
-/* { dg-options "-O -std=c89 -pedantic-errors -march=k8 -msse4a -m3dnow -mavx -mavx2 -mfma4 -mxop -maes -mpclmul -mpopcnt -mabm -mlzcnt -mbmi -mbmi2 -mtbm -mlwp -mfsgsbase -mrdrnd -mf16c -mfma -mrtm -mprfchw" } */
+/* { dg-options "-O -std=c89 -pedantic-errors -march=k8 -msse4a -m3dnow -mavx -mavx2 -mfma4 -mxop -maes -mpclmul -mpopcnt -mabm -mlzcnt -mbmi -mbmi2 -mtbm -mlwp -mfsgsbase -mrdrnd -mf16c -mfma -mrtm -mrdseed -mprfchw" } */
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/gcc.target/i386/sse-13.c b/gcc/testsuite/gcc.target/i386/sse-13.c
index 7a2bdb3..fe2bf46 100644
--- a/gcc/testsuite/gcc.target/i386/sse-13.c
+++ b/gcc/testsuite/gcc.target/i386/sse-13.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O2 -Werror-implicit-function-declaration -march=k8 -msse4a -m3dnow -mavx -mavx2 -mfma4 -mxop -maes -mpclmul -mpopcnt -mabm -mlzcnt -mbmi -mbmi2 -mtbm -mlwp -mfsgsbase -mrdrnd -mf16c -mfma -mrtm -mprfchw" } */
+/* { dg-options "-O2 -Werror-implicit-function-declaration -march=k8 -msse4a -m3dnow -mavx -mavx2 -mfma4 -mxop -maes -mpclmul -mpopcnt -mabm -mlzcnt -mbmi -mbmi2 -mtbm -mlwp -mfsgsbase -mrdrnd -mf16c -mfma -mrtm -mrdseed -mprfchw" } */
 
 #include <mm_malloc.h>
 
diff --git a/gcc/testsuite/gcc.target/i386/sse-14.c b/gcc/testsuite/gcc.target/i386/sse-14.c
index 8b19a88..8877e31 100644
--- a/gcc/testsuite/gcc.target/i386/sse-14.c
+++ b/gcc/testsuite/gcc.target/i386/sse-14.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O0 -Werror-implicit-function-declaration -march=k8 -msse4a -m3dnow -mavx -mavx2 -mfma4 -mxop -maes -mpclmul -mpopcnt -mabm -mlzcnt -mbmi -mbmi2 -mtbm -mlwp -mfsgsbase -mrdrnd -mf16c -mfma -mrtm -mprfchw" } */
+/* { dg-options "-O0 -Werror-implicit-function-declaration -march=k8 -msse4a -m3dnow -mavx -mavx2 -mfma4 -mxop -maes -mpclmul -mpopcnt -mabm -mlzcnt -mbmi -mbmi2 -mtbm -mlwp -mfsgsbase -mrdrnd -mf16c -mfma -mrtm -mrdseed -mprfchw" } */
 
 #include <mm_malloc.h>
 
diff --git a/gcc/testsuite/gcc.target/i386/sse-22.c b/gcc/testsuite/gcc.target/i386/sse-22.c
index 99dddfd..ec5ccb8 100644
--- a/gcc/testsuite/gcc.target/i386/sse-22.c
+++ b/gcc/testsuite/gcc.target/i386/sse-22.c
@@ -50,7 +50,7 @@
 
 
 #ifndef DIFFERENT_PRAGMAS
-#pragma GCC target ("sse4a,3dnow,avx,avx2,fma4,xop,aes,pclmul,popcnt,abm,lzcnt,bmi,bmi2,tbm,lwp,fsgsbase,rdrnd,f16c,rtm,prfchw")
+#pragma GCC target ("sse4a,3dnow,avx,avx2,fma4,xop,aes,pclmul,popcnt,abm,lzcnt,bmi,bmi2,tbm,lwp,fsgsbase,rdrnd,f16c,rtm,rdseed,prfchw")
 #endif
 
 /* Following intrinsics require immediate arguments.  They
@@ -264,7 +264,7 @@ test_2 (_mm_clmulepi64_si128, __m128i, __m128i, __m128i, 1)
 
 /* x86intrin.h (FMA4/XOP/LWP/BMI/BMI2/TBM/LZCNT/FMA). */
 #ifdef DIFFERENT_PRAGMAS
-#pragma GCC target ("fma4,xop,lwp,bmi,bmi2,tbm,lzcnt,fma,prfchw")
+#pragma GCC target ("fma4,xop,lwp,bmi,bmi2,tbm,lzcnt,fma,rdseed,prfchw")
 #endif
 #include <x86intrin.h>
 /* xopintrin.h */
diff --git a/gcc/testsuite/gcc.target/i386/sse-23.c b/gcc/testsuite/gcc.target/i386/sse-23.c
index a06ee5e..3b26d99 100644
--- a/gcc/testsuite/gcc.target/i386/sse-23.c
+++ b/gcc/testsuite/gcc.target/i386/sse-23.c
@@ -183,7 +183,7 @@
 /* rtmintrin.h */
 #define __builtin_ia32_xabort(M) __builtin_ia32_xabort(1)
 
-#pragma GCC target ("sse4a,3dnow,avx,avx2,fma4,xop,aes,pclmul,popcnt,abm,lzcnt,bmi,bmi2,tbm,lwp,fsgsbase,rdrnd,f16c,fma,rtm,prfchw")
+#pragma GCC target ("sse4a,3dnow,avx,avx2,fma4,xop,aes,pclmul,popcnt,abm,lzcnt,bmi,bmi2,tbm,lwp,fsgsbase,rdrnd,f16c,fma,rtm,rdseed,prfchw")
 #include <wmmintrin.h>
 #include <smmintrin.h>
 #include <mm3dnow.h>