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atlas/atlas-s390port.patch

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---
CONFIG/include/atlconf.h | 18 +++++++-----
CONFIG/src/Makefile | 5 +++
CONFIG/src/SpewMakeInc.c | 5 +++
CONFIG/src/atlcomp.txt | 50 ++++++++++++++++++++++++++++++++++++
CONFIG/src/atlconf_misc.c | 2 +
CONFIG/src/backend/Make.ext | 2 +
CONFIG/src/backend/archinfo_linux.c | 12 ++++++++
CONFIG/src/backend/probe_gas_s390.S | 13 +++++++++
CONFIG/src/probe_comp.c | 2 +
include/atlas_prefetch.h | 6 ++++
10 files changed, 108 insertions(+), 7 deletions(-)
Index: b/CONFIG/include/atlconf.h
===================================================================
--- a/CONFIG/include/atlconf.h
+++ b/CONFIG/include/atlconf.h
@@ -14,9 +14,9 @@ enum OSTYPE {OSOther=0, OSLinux, OSSunOS
OSWin9x, OSWinNT, OSHPUX, OSFreeBSD, OSOSX};
#define OSIsWin(OS_) (((OS_) == OSWinNT) || ((OS_) == OSWin9x))
-enum ARCHFAM {AFOther=0, AFPPC, AFSPARC, AFALPHA, AFX86, AFIA64, AFMIPS};
+enum ARCHFAM {AFOther=0, AFPPC, AFSPARC, AFALPHA, AFX86, AFIA64, AFMIPS, AFS390};
-#define NMACH 37
+#define NMACH 42
static char *machnam[NMACH] =
{"UNKNOWN", "POWER3", "POWER4", "POWER5", "PPCG4", "PPCG5",
"POWER6", "POWER7",
@@ -25,7 +25,8 @@ static char *machnam[NMACH] =
"Efficeon", "K7", "HAMMER", "AMD64K10h", "UNKNOWNx86",
"IA64Itan", "IA64Itan2",
"USI", "USII", "USIII", "USIV", "UST2", "UnknownUS",
- "MIPSR1xK", "MIPSICE9"};
+ "MIPSR1xK", "MIPSICE9",
+ "IBMz900", "IBMz990", "IBMz9", "IBMz10", "IBMz196" };
enum MACHTYPE {MACHOther, IbmPwr3, IbmPwr4, IbmPwr5, PPCG4, PPCG5,
IbmPwr6, IbmPwr7,
IntP5, IntP5MMX, IntPPRO, IntPII, IntPIII, IntPM, IntCoreS,
@@ -34,7 +35,8 @@ enum MACHTYPE {MACHOther, IbmPwr3, IbmPw
IA64Itan, IA64Itan2,
SunUSI, SunUSII, SunUSIII, SunUSIV, SunUST2, SunUSX,
MIPSR1xK, /* includes R10K, R12K, R14K, R16K */
- MIPSICE9 /* SiCortex ICE9 -- like MIPS5K */
+ MIPSICE9, /* SiCortex ICE9 -- like MIPS5K */
+ IBMz900, IBMz990, IBMz9, IBMz10, IBMz196 /* s390(x) in Linux */
};
#define MachIsX86(mach_) \
( (mach_) >= IntP5 && (mach_) <= x86X )
@@ -51,6 +53,8 @@ enum MACHTYPE {MACHOther, IbmPwr3, IbmPw
#endif
#define MachIsPPC(mach_) \
( (mach_) >= PPCG4 && (mach_) <= PPCG5 )
+#define MachIsS390(mach_) \
+ ( (mach_) >= IBMz900 && (mach_) <= IBMz196 )
static char *f2c_namestr[5] = {"UNKNOWN","Add_", "Add__", "NoChange", "UpCase"};
static char *f2c_intstr[5] =
@@ -68,13 +72,13 @@ static char *ISAXNAM[NISA] =
{"", "AltiVec", "SSE3", "SSE2", "SSE1", "3DNow"};
enum ISAEXT {ISA_None=0, ISA_AV, ISA_SSE3, ISA_SSE2, ISA_SSE1, ISA_3DNow};
-#define NASMD 7
+#define NASMD 8
enum ASMDIA
{ASM_None=0, gas_x86_32, gas_x86_64, gas_sparc, gas_ppc, gas_parisc,
- gas_mips};
+ gas_mips, gas_s390};
static char *ASMNAM[NASMD] =
{"", "GAS_x8632", "GAS_x8664", "GAS_SPARC", "GAS_PPC", "GAS_PARISC",
- "GAS_MIPS"};
+ "GAS_MIPS", "GAS_S390"};
/*
Index: b/CONFIG/src/Makefile
===================================================================
--- a/CONFIG/src/Makefile
+++ b/CONFIG/src/Makefile
@@ -177,6 +177,11 @@ IRun_GAS_x8632 :
$(MAKE) $(atlrun) atldir=$(mydir) exe=xprobe_gas_x8632 args="$(args)" \
redir=config0.out
- cat config0.out
+IRun_GAS_S390 :
+ $(CC) $(CCFLAGS) -o xprobe_gas_s390 $(SRCdir)/backend/probe_this_asm.c $(SRCdir)/backend/probe_gas_s390.S
+ $(MAKE) $(atlrun) atldir=$(mydir) exe=xprobe_gas_s390 args="$(args)" \
+ redir=config0.out
+ - cat config0.out
IRunC2C :
- rm -f config0.out xc2c c2cslave.o
Index: b/CONFIG/src/SpewMakeInc.c
===================================================================
--- a/CONFIG/src/SpewMakeInc.c
+++ b/CONFIG/src/SpewMakeInc.c
@@ -342,6 +342,9 @@ char *GetPtrbitsFlag(enum OSTYPE OS, enu
return(sp);
if (MachIsMIPS(arch))
return((ptrbits == 64) ? "-mabi=64" : "-mabi=n32");
+ if (MachIsS390(arch))
+ return((ptrbits == 64) ? "-m64" : "-m31");
+
if (!CompIsGcc(comp))
{
/*
@@ -671,6 +674,8 @@ main(int nargs, char **args)
if (OS == OSFreeBSD)
fprintf(fpout, "_fbsd");
}
+ if (MachIsS390(mach))
+ fprintf(fpout, ptrbits == 32 ? "-m31" : "-m64");
fprintf(fpout, "\n F77SYSLIB = %s\n", f77lib ? f77lib : "");
fprintf(fpout, " BC = $(ICC)\n");
fprintf(fpout, " NCFLAGS = $(ICCFLAGS)\n");
Index: b/CONFIG/src/atlcomp.txt
===================================================================
--- a/CONFIG/src/atlcomp.txt
+++ b/CONFIG/src/atlcomp.txt
@@ -164,6 +164,56 @@ MACH=ALL OS=WinNT LVL=0 COMPS=f77
MACH=P4,PM OS=WinNT LVL=0 COMPS=icc,dmc,smc,dkc,skc,xcc
'icl' '-QxN -O3 -Qprec -fp:extended -fp:except -nologo -Oy'
#
+# IBM System z or zEnterprise
+#
+
+# z900 or z800
+MACH=IBMz900 OS=ALL LVL=1000 COMPS=f77
+ 'gfortran' '-march=z900 -O3 -funroll-loops'
+MACH=IBMz900 OS=ALL LVL=1000 COMPS=smc,dmc,skc,dkc,icc,xcc
+ 'gcc' '-march=z900 -O3 -funroll-loops'
+
+# z990 or z890
+MACH=IBMz990 OS=ALL LVL=1000 COMPS=f77
+ 'gfortran' '-march=z990 -O3 -funroll-loops'
+MACH=IBMz990 OS=ALL LVL=1000 COMPS=smc,dmc,skc,dkc,icc,xcc
+ 'gcc' '-march=z990 -O3 -funroll-loops'
+
+# z9-EC z9-BC or z9-109
+MACH=IBMz9 OS=ALL LVL=1000 COMPS=f77
+ 'gfortran' '-march=z9-109 -O3 -funroll-loops'
+MACH=IBMz9 OS=ALL LVL=1000 COMPS=smc,dmc,skc,dkc,icc,xcc
+ 'gcc' '-march=z9-109 -O3 -funroll-loops'
+
+# on z10 and z196 gcc emits prefetches which disturb cache size
+# detection and optimization. Therefore, we use fno-prefetch-loop-arrays
+# z10
+MACH=IBMz10 OS=ALL LVL=1000 COMPS=f77
+ 'gfortran' '-march=z10 -O3 -funroll-loops -fno-prefetch-loop-arrays'
+MACH=IBMz10 OS=ALL LVL=1000 COMPS=smc,dmc,skc,dkc,icc,xcc
+ 'gcc' '-march=z10 -O3 -funroll-loops -fno-prefetch-loop-arrays'
+
+# z196. we also try to fallback to z10 and z9 for older compilers
+MACH=IBMz196 OS=ALL LVL=1000 COMPS=f77
+ 'gfortran' '-march=z196 -O3 -funroll-loops -fno-prefetch-loop-arrays'
+MACH=IBMz196 OS=ALL LVL=800 COMPS=f77
+ 'gfortran' '-march=z10 -O3 -funroll-loops -fno-prefetch-loop-arrays'
+MACH=IBMz196 OS=ALL LVL=600 COMPS=f77
+ 'gfortran' '-march=z9-109 -O3 -funroll-loops'
+MACH=IBMz196 OS=ALL LVL=1000 COMPS=smc,dmc,skc,dkc,icc,xcc
+ 'gcc' '-march=z196 -O3 -funroll-loops -fno-prefetch-loop-arrays'
+MACH=IBMz196 OS=ALL LVL=800 COMPS=smc,dmc,skc,dkc,icc,xcc
+ 'gcc' '-march=z10 -O3 -funroll-loops -fno-prefetch-loop-arrays'
+MACH=IBMz196 OS=ALL LVL=600 COMPS=smc,dmc,skc,dkc,icc,xcc
+ 'gcc' '-march=z9-109 -O3 -funroll-loops'
+
+# ALL march options failed, go back to conservative defaults
+MACH=IBMz900,IBMz990,IBMz9,IBMz10,IBMz196 OS=ALL LVL=500 COMPS=f77
+ 'gfortran' '-O3 -funroll-loops'
+MACH=IBMz900,IBMz990,IBMz9,IBMz10,IBMz196 OS=ALL LVL=500 COMPS=smc,dmc,skc,dkc,icc,xcc
+ 'gcc' '-O3 -funroll-loops'
+
+#
# Generic defaults
#
MACH=ALL OS=ALL LVL=5 COMPS=icc,smc,dmc,skc,dkc,xcc
Index: b/CONFIG/src/atlconf_misc.c
===================================================================
--- a/CONFIG/src/atlconf_misc.c
+++ b/CONFIG/src/atlconf_misc.c
@@ -480,6 +480,7 @@ enum ARCHFAM ProbeArchFam(char *targ)
else if (strstr(res, "alpha")) fam = AFALPHA;
else if (strstr(res, "ia64")) fam = AFIA64;
else if (strstr(res, "mips")) fam = AFMIPS;
+ else if (strstr(res, "s390")) fam = AFS390;
else if ( strstr(res, "i686") || strstr(res, "i586") ||
strstr(res, "i486") || strstr(res, "i386") ||
strstr(res, "x86") || strstr(res, "x86_64") ) fam = AFX86;
@@ -501,6 +502,7 @@ enum ARCHFAM ProbeArchFam(char *targ)
strstr(res, "i486") || strstr(res, "i386") ||
strstr(res, "x86_64") ) fam = AFX86;
else if (strstr(res, "mips")) fam = AFMIPS;
+ else if (strstr(res, "s390")) fam = AFS390;
}
}
return(fam);
Index: b/CONFIG/src/backend/Make.ext
===================================================================
--- a/CONFIG/src/backend/Make.ext
+++ b/CONFIG/src/backend/Make.ext
@@ -43,6 +43,8 @@ probe_gas_parisc.S : $(basf)
$(extC) -b $(basf) -o probe_gas_parisc.S rout=probe_gas_parisc.S
probe_gas_mips.S : $(basf)
$(extC) -b $(basf) -o probe_gas_mips.S rout=probe_gas_mips.S
+probe_gas_s390.S : $(basf)
+ $(extC) -b $(basf) -o probe_gas_s390.S rout=probe_gas_s390.S
probe_SSE3.S : $(basf)
$(extC) -b $(basf) -o probe_SSE3.S rout=probe_SSE3.S
probe_SSE2.S : $(basf)
Index: b/CONFIG/src/backend/archinfo_linux.c
===================================================================
--- a/CONFIG/src/backend/archinfo_linux.c
+++ b/CONFIG/src/backend/archinfo_linux.c
@@ -193,6 +193,18 @@ enum MACHTYPE ProbeArch()
}
#endif
break;
+ case AFS390:
+ if ( !CmndOneLine(NULL, "cat /proc/cpuinfo | fgrep \"processor \"", res) )
+ {
+ if (strstr(res, "2064") || strstr(res, "2066")) mach = IBMz900;
+ else if (strstr(res, "2084") || strstr(res, "2086")) mach = IBMz990;
+ else if (strstr(res, "2094") || strstr(res, "2096")) mach = IBMz9;
+ else if (strstr(res, "2097") || strstr(res, "2098")) mach = IBMz10;
+ /* we consider anything else to be a z196 or later */
+ else mach = IBMz196;
+ }
+ break;
+
default:
#if 0
if (!CmndOneLine(NULL, "fgrep 'cpu family' /proc/cpuinfo", res))
Index: b/CONFIG/src/backend/probe_gas_s390.S
===================================================================
--- /dev/null
+++ b/CONFIG/src/backend/probe_gas_s390.S
@@ -0,0 +1,13 @@
+#define ATL_GAS_PPC
+#include "atlas_asm.h"
+/*
+ * Linux S390 assembler for:
+ * int asm_probe(int i)
+ * RETURNS: i*3
+ */
+.globl ATL_asmdecor(asm_probe)
+ATL_asmdecor(asm_probe):
+ lr r3,r2
+ ar r2,r3
+ ar r2,r3
+ br r14
Index: b/CONFIG/src/probe_comp.c
===================================================================
--- a/CONFIG/src/probe_comp.c
+++ b/CONFIG/src/probe_comp.c
@@ -509,6 +509,8 @@ char *GetPtrbitsFlag(enum OSTYPE OS, enu
return(sp);
if (MachIsMIPS(arch))
return((ptrbits == 64) ? "-mabi=64" : "-mabi=n32");
+ if (MachIsS390(arch))
+ return((ptrbits == 64) ? "-m64" : "-m31");
if (!CompIsGcc(comp))
{
/*
Index: b/include/atlas_prefetch.h
===================================================================
--- a/include/atlas_prefetch.h
+++ b/include/atlas_prefetch.h
@@ -149,6 +149,12 @@
#define ATL_GOT_L1PREFETCH
#define ATL_L1LS 32
#define ATL_L2LS 64
+#elif defined(ATL_ARCH_IBMz196) || defined(ATL_ARCH_IBMz10)
+ #define ATL_pfl1R(mem) __builtin_prefetch(mem, 0, 3)
+ #define ATL_pfl1W(mem) __builtin_prefetch(mem, 1, 3)
+ #define ATL_GOT_L1PREFETCH
+ #define ATL_L1LS 256
+ #define ATL_L2LS 256
#elif defined(__GNUC__) /* last ditch, use gcc predefined func */
#define ATL_pfl1R(mem) __builtin_prefetch(mem, 0, 3)
#define ATL_pfl1W(mem) __builtin_prefetch(mem, 1, 3)
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