There is a new HWCAP2 bit added to the AUXV here:
http://patchwork.ozlabs.org/patch/824764/
This patch adds __builtin_cpu_supports() support for it.
This passed bootstrap and regtesting with no regressions?
Ok for trunk?
Ok to back port to the open releases too once testing to complete there?
Peter
gcc/
* config/rs6000/ppc-auxv.h (PPC_FEATURE2_HTM_NO_SUSPEND): New define.
* config/rs6000/rs6000.c (cpu_supports_info): Use it.
gcc/testsuite/
* gcc.target/powerpc/cpu-builtin-1.c (htm-no-suspend): Add test.
Index: gcc/config/rs6000/ppc-auxv.h
===================================================================
--- gcc/config/rs6000/ppc-auxv.h (revision 254453)
+++ gcc/config/rs6000/ppc-auxv.h (working copy)
@@ -91,6 +91,7 @@
#define PPC_FEATURE2_HAS_IEEE128 0x00400000
#define PPC_FEATURE2_DARN 0x00200000
#define PPC_FEATURE2_SCV 0x00100000
+#define PPC_FEATURE2_HTM_NO_SUSPEND 0x00080000
/* Thread Control Block (TCB) offsets of the AT_PLATFORM, AT_HWCAP and
Index: gcc/config/rs6000/rs6000.c
===================================================================
--- gcc/config/rs6000/rs6000.c (revision 254453)
+++ gcc/config/rs6000/rs6000.c (working copy)
@@ -387,6 +387,7 @@ static const struct
{ "ebb", PPC_FEATURE2_HAS_EBB, 1 },
{ "htm", PPC_FEATURE2_HAS_HTM, 1 },
{ "htm-nosc", PPC_FEATURE2_HTM_NOSC, 1 },
+ { "htm-no-suspend", PPC_FEATURE2_HTM_NO_SUSPEND, 1 },
{ "isel", PPC_FEATURE2_HAS_ISEL, 1 },
{ "tar", PPC_FEATURE2_HAS_TAR, 1 },
{ "vcrypto", PPC_FEATURE2_HAS_VEC_CRYPTO, 1 },
Index: gcc/testsuite/gcc.target/powerpc/cpu-builtin-1.c
===================================================================
--- gcc/testsuite/gcc.target/powerpc/cpu-builtin-1.c (revision 254453)
+++ gcc/testsuite/gcc.target/powerpc/cpu-builtin-1.c (working copy)
@@ -73,6 +73,7 @@ use_cpu_supports_builtins (unsigned int
p[37] = __builtin_cpu_supports ("vsx");
p[38] = __builtin_cpu_supports ("darn");
p[39] = __builtin_cpu_supports ("scv");
+ p[40] = __builtin_cpu_supports ("htm-no-suspend");
#else
p[0] = 0;
#endif
