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Fix older version of gcc - missing __has_builtin, cpuid and no support of P10.

This commit is contained in:
Chip-Kerchner 2023-11-14 11:07:08 -06:00
parent 46440a0486
commit d99aad8ee3
2 changed files with 24 additions and 5 deletions
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12
Makefile.power
View File

@ -11,7 +11,19 @@ endif
ifeq ($(CORE), POWER10)
ifneq ($(C_COMPILER), PGI)
ifeq ($(C_COMPILER), GCC))
ifeq ($(GCCVERSIONGTEQ10), 1)
CCOMMON_OPT += -Ofast -mcpu=power10 -mtune=power10 -mvsx -fno-fast-math
else ifneq ($(GCCVERSIONGT4), 1)
$(warning your compiler is too old to fully support POWER9, getting a newer version of gcc is recommended)
CCOMMON_OPT += -Ofast -mcpu=power8 -mtune=power8 -mvsx -fno-fast-math
else
$(warning your compiler is too old to fully support POWER10, getting a newer version of gcc is recommended)
CCOMMON_OPT += -Ofast -mcpu=power9 -mtune=power9 -mvsx -fno-fast-math
endif
else
CCOMMON_OPT += -Ofast -mcpu=power10 -mtune=power10 -mvsx -fno-fast-math
endif
ifeq ($(F_COMPILER), IBM)
FCOMMON_OPT += -O2 -qrecur -qnosave -qarch=pwr10 -qtune=pwr10 -qfloat=nomaf -qzerosize
else

17
driver/others/dynamic_power.c
View File

@ -66,8 +66,7 @@ static int cpuid(void)
#endif
return CPU_UNKNOWN;
}
#else
#if defined(C_PGI) || defined(__clang__)
#elif defined(C_PGI) || defined(__clang__)
/*
* NV HPC compilers do not yet implement __builtin_cpu_is().
* Fake a version here for use in the CPU detection code below.
@ -196,13 +195,21 @@ static int cpuid(void)
cpu_type = pvrPOWER[i].cpu_type;
return (int)(cpu_type);
}
#endif /* C_PGI */
#elif !defined(__BUILTIN_CPU_SUPPORTS__)
static int cpuid(void)
{
return CPU_UNKNOWN;
}
#endif /* _AIX */
#ifndef __BUILTIN_CPU_SUPPORTS__
#include <string.h>
#if defined(_AIX) || (defined(__has_builtin) && !__has_builtin(__builtin_cpu_is))
#ifndef __has_builtin
#define __has_builtin(x) 0
#endif
#if defined(_AIX) || !__has_builtin(__builtin_cpu_is)
static int __builtin_cpu_is(const char *arg)
{
static int ipinfo = -1;
@ -227,7 +234,7 @@ static int __builtin_cpu_is(const char *arg)
}
#endif
#if defined(_AIX) || (defined(__has_builtin) && !__has_builtin(__builtin_cpu_supports))
#if defined(_AIX) || !__has_builtin(__builtin_cpu_supports)
static int __builtin_cpu_supports(const char *arg)
{
return 0;