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From: <sv...@va...> - 2015-07-09 21:05:33
|
Author: florian
Date: Thu Jul 9 22:05:26 2015
New Revision: 15407
Log:
Followup to r15406:
- update list of supported s390 opcodes
- update bug status
- keep BZ list in NEWS sorted
Modified:
trunk/NEWS
trunk/docs/internals/3_10_BUGSTATUS.txt
trunk/docs/internals/s390-opcodes.csv
Modified: trunk/NEWS
==============================================================================
--- trunk/NEWS (original)
+++ trunk/NEWS Thu Jul 9 22:05:26 2015
@@ -162,6 +162,7 @@
342635 OS X 10.10 (Yosemite) - missing system calls and fcntl code
342683 Mark memory past the initial brk limit as unaddressable
342795 Internal glibc __GI_mempcpy call should be intercepted
+342841 s390x: Support instructions fiebr(a) and fidbr(a)
343012 Unhandled syscall 319 (memfd_create)
343069 Patch updating v4l2 API support
343173 helgrind crash during stack unwind
@@ -258,7 +259,6 @@
349874 Fix typos in source code
349828 memcpy intercepts memmove causing src/dst overlap error (ppc64 ld.so)
349941 di_notify_mmap might create wrong start/size DebugInfoMapping
-342841 s390x unrecognized instruction fiebra
n-i-bz Provide implementations of certain compiler builtins to support
compilers who may not provide those
n-i-bz Old STABS code is still being compiled, but never used. Remove it.
Modified: trunk/docs/internals/3_10_BUGSTATUS.txt
==============================================================================
--- trunk/docs/internals/3_10_BUGSTATUS.txt (original)
+++ trunk/docs/internals/3_10_BUGSTATUS.txt Thu Jul 9 22:05:26 2015
@@ -120,9 +120,6 @@
=== VEX/s390x ==========================================================
-342841 s390x unrecognized instruction fiebra
- -> Florian?
-
=== VEX general ========================================================
339778 Linux/TileGx platform support to Valgrind
Modified: trunk/docs/internals/s390-opcodes.csv
==============================================================================
--- trunk/docs/internals/s390-opcodes.csv (original)
+++ trunk/docs/internals/s390-opcodes.csv Thu Jul 9 22:05:26 2015
@@ -294,8 +294,8 @@
lcdbr,"load complement long bfp",implemented,
lcebr,"load complement short bfp",implemented,
fixbr,"load fp integer extended bfp","not implemented",
-fidbr,"load fp integer long bfp","not implemented",
-fiebr,"load fp integer short bfp","not implemented",
+fidbr,"load fp integer long bfp","implemented",
+fiebr,"load fp integer short bfp","implemented",
lfpc,"load fpc",implemented,
lxdbr,"load lengthened long to extended bfp",implemented,
lxdb,"load lengthened long to extended bfp",implemented,
|
|
From: <sv...@va...> - 2015-07-09 20:59:32
|
Author: florian
Date: Thu Jul 9 21:59:24 2015
New Revision: 3162
Log:
s390: Add support for FIEBR(A) and FIDBR(A).
Patch by Andreas Arnez (ar...@li...). Part of fixing BZ #342841.
Modified:
trunk/priv/guest_s390_toIR.c
trunk/priv/host_s390_defs.c
trunk/priv/host_s390_defs.h
trunk/priv/host_s390_isel.c
Modified: trunk/priv/guest_s390_toIR.c
==============================================================================
--- trunk/priv/guest_s390_toIR.c (original)
+++ trunk/priv/guest_s390_toIR.c Thu Jul 9 21:59:24 2015
@@ -12384,6 +12384,32 @@
}
static const HChar *
+s390_irgen_FIEBRA(UChar m3, UChar m4 __attribute__((unused)),
+ UChar r1, UChar r2)
+{
+ IRTemp result = newTemp(Ity_F32);
+
+ assign(result, binop(Iop_RoundF32toInt, mkexpr(encode_bfp_rounding_mode(m3)),
+ get_fpr_w0(r2)));
+ put_fpr_w0(r1, mkexpr(result));
+
+ return "fiebra";
+}
+
+static const HChar *
+s390_irgen_FIDBRA(UChar m3, UChar m4 __attribute__((unused)),
+ UChar r1, UChar r2)
+{
+ IRTemp result = newTemp(Ity_F64);
+
+ assign(result, binop(Iop_RoundF64toInt, mkexpr(encode_bfp_rounding_mode(m3)),
+ get_fpr_dw0(r2)));
+ put_fpr_dw0(r1, mkexpr(result));
+
+ return "fidbra";
+}
+
+static const HChar *
s390_irgen_LNEBR(UChar r1, UChar r2)
{
IRTemp result = newTemp(Ity_F32);
@@ -14520,11 +14546,15 @@
case 0xb350: /* TBEDR */ goto unimplemented;
case 0xb351: /* TBDR */ goto unimplemented;
case 0xb353: /* DIEBR */ goto unimplemented;
- case 0xb357: /* FIEBR */ goto unimplemented;
+ case 0xb357: s390_format_RRF_UUFF(s390_irgen_FIEBRA, ovl.fmt.RRF2.m3,
+ ovl.fmt.RRF2.m4, ovl.fmt.RRF2.r1,
+ ovl.fmt.RRF2.r2); goto ok;
case 0xb358: /* THDER */ goto unimplemented;
case 0xb359: /* THDR */ goto unimplemented;
case 0xb35b: /* DIDBR */ goto unimplemented;
- case 0xb35f: /* FIDBR */ goto unimplemented;
+ case 0xb35f: s390_format_RRF_UUFF(s390_irgen_FIDBRA, ovl.fmt.RRF2.m3,
+ ovl.fmt.RRF2.m4, ovl.fmt.RRF2.r1,
+ ovl.fmt.RRF2.r2); goto ok;
case 0xb360: /* LPXR */ goto unimplemented;
case 0xb361: /* LNXR */ goto unimplemented;
case 0xb362: /* LTXR */ goto unimplemented;
Modified: trunk/priv/host_s390_defs.c
==============================================================================
--- trunk/priv/host_s390_defs.c (original)
+++ trunk/priv/host_s390_defs.c Thu Jul 9 21:59:24 2015
@@ -3939,6 +3939,40 @@
static UChar *
+s390_emit_FIEBRA(UChar *p, UChar m3, UChar m4, UChar r1, UChar r2)
+{
+ vassert(m3 == 0 || s390_host_has_fpext);
+
+ if (UNLIKELY(vex_traceflags & VEX_TRACE_ASM)) {
+ if (m4 == 0)
+ s390_disasm(ENC4(MNM, FPR, UINT, FPR), "fiebr", r1, m3, r2);
+ else
+ s390_disasm(ENC5(MNM, FPR, UINT, FPR, UINT),
+ "fiebra", r1, m3, r2, m4);
+ }
+
+ return emit_RRF2(p, 0xb3570000, m3, m4, r1, r2);
+}
+
+
+static UChar *
+s390_emit_FIDBRA(UChar *p, UChar m3, UChar m4, UChar r1, UChar r2)
+{
+ vassert(m3 == 0 || s390_host_has_fpext);
+
+ if (UNLIKELY(vex_traceflags & VEX_TRACE_ASM)) {
+ if (m4 == 0)
+ s390_disasm(ENC4(MNM, FPR, UINT, FPR), "fidbr", r1, m3, r2);
+ else
+ s390_disasm(ENC5(MNM, FPR, UINT, FPR, UINT),
+ "fidbra", r1, m3, r2, m4);
+ }
+
+ return emit_RRF2(p, 0xb35f0000, m3, m4, r1, r2);
+}
+
+
+static UChar *
s390_emit_MEEBR(UChar *p, UChar r1, UChar r2)
{
if (UNLIKELY(vex_traceflags & VEX_TRACE_ASM))
@@ -6693,6 +6727,8 @@
case S390_BFP_F64_TO_F128:
case S390_BFP_F128_TO_F32:
case S390_BFP_F128_TO_F64: op = "v-f2f"; break;
+ case S390_BFP_F32_TO_F32I:
+ case S390_BFP_F64_TO_F64I: op = "v-f2fi"; break;
default: goto fail;
}
s390_sprintf(buf, "%M %R,%R", op, insn->variant.bfp_convert.dst_hi,
@@ -8964,6 +9000,10 @@
case S390_BFP_F128_TO_F32: return s390_emit_LEXBRA(buf, m3, m4, r1, r2);
case S390_BFP_F128_TO_F64: return s390_emit_LDXBRA(buf, m3, m4, r1, r2);
+ /* Load FP integer */
+ case S390_BFP_F32_TO_F32I: return s390_emit_FIEBRA(buf, m3, m4, r1, r2);
+ case S390_BFP_F64_TO_F64I: return s390_emit_FIDBRA(buf, m3, m4, r1, r2);
+
default: goto fail;
}
Modified: trunk/priv/host_s390_defs.h
==============================================================================
--- trunk/priv/host_s390_defs.h (original)
+++ trunk/priv/host_s390_defs.h Thu Jul 9 21:59:24 2015
@@ -242,7 +242,9 @@
S390_BFP_F128_TO_U32,
S390_BFP_F128_TO_U64,
S390_BFP_F128_TO_F32,
- S390_BFP_F128_TO_F64
+ S390_BFP_F128_TO_F64,
+ S390_BFP_F32_TO_F32I,
+ S390_BFP_F64_TO_F64I
} s390_bfp_conv_t;
/* Type conversion operations: to and/or from decimal floating point */
Modified: trunk/priv/host_s390_isel.c
==============================================================================
--- trunk/priv/host_s390_isel.c (original)
+++ trunk/priv/host_s390_isel.c Thu Jul 9 21:59:24 2015
@@ -2378,6 +2378,8 @@
return dst;
case Iop_F64toF32: conv = S390_BFP_F64_TO_F32; goto convert_float;
+ case Iop_RoundF32toInt: conv = S390_BFP_F32_TO_F32I; goto convert_float;
+ case Iop_RoundF64toInt: conv = S390_BFP_F64_TO_F64I; goto convert_float;
case Iop_I32StoF32: conv = S390_BFP_I32_TO_F32; goto convert_int;
case Iop_I32UtoF32: conv = S390_BFP_U32_TO_F32; goto convert_int;
case Iop_I64StoF32: conv = S390_BFP_I64_TO_F32; goto convert_int;
|
|
From: <sv...@va...> - 2015-07-09 19:21:50
|
Author: cborntra
Date: Thu Jul 9 20:21:42 2015
New Revision: 15406
Log:
Fix from Andreas Arnez for bug 342841 s390x unrecognized instruction fiebra
Modified:
trunk/NEWS
trunk/none/tests/s390x/rounding-6.c
trunk/none/tests/s390x/rounding-6.stdout.exp
Modified: trunk/NEWS
==============================================================================
--- trunk/NEWS (original)
+++ trunk/NEWS Thu Jul 9 20:21:42 2015
@@ -258,6 +258,7 @@
349874 Fix typos in source code
349828 memcpy intercepts memmove causing src/dst overlap error (ppc64 ld.so)
349941 di_notify_mmap might create wrong start/size DebugInfoMapping
+342841 s390x unrecognized instruction fiebra
n-i-bz Provide implementations of certain compiler builtins to support
compilers who may not provide those
n-i-bz Old STABS code is still being compiled, but never used. Remove it.
Modified: trunk/none/tests/s390x/rounding-6.c
==============================================================================
--- trunk/none/tests/s390x/rounding-6.c (original)
+++ trunk/none/tests/s390x/rounding-6.c Thu Jul 9 20:21:42 2015
@@ -44,6 +44,20 @@
opcode, src, dst, cc, rtext(round)); \
} while (0)
+#define round_to_int(opcode,type,round,value) \
+do { \
+ type src = value; \
+ type dst; \
+ \
+ __asm__ volatile (opcode " %[dst]," #round ",%[src]\n\t" \
+ : [dst] "=f"(dst) \
+ : [src] "f"(src) \
+ : ); \
+ \
+ printf("%s %.5f\t-> %g %s\n", \
+ opcode, src, dst, rtext(round)); \
+} while (0)
+
#define cfebr(value, round) \
convert_to_int("cfebr",float,int32_t,PRId32,round,value)
@@ -54,6 +68,11 @@
#define cgdbr(value, round) \
convert_to_int("cgdbr",double,int64_t,PRId64,round,value)
+#define fiebr(value, round) \
+ round_to_int("fiebr",float,round,value)
+#define fidbr(value, round) \
+ round_to_int("fidbr",double,round,value)
+
void
set_rounding_mode(unsigned mode)
{
@@ -117,5 +136,25 @@
cgdbr(dval[j], M3_BFP_ROUND_NEGINF);
}
+ /* f32 -> f32, round to int */
+ for (j = 0; j < sizeof dval / sizeof dval[0]; ++j) {
+ set_rounding_mode(FPC_BFP_ROUND_ZERO);
+ fiebr(dval[j], M3_BFP_ROUND_NEAREST_EVEN);
+ set_rounding_mode(FPC_BFP_ROUND_NEAREST_EVEN);
+ fiebr(dval[j], M3_BFP_ROUND_ZERO);
+ fiebr(dval[j], M3_BFP_ROUND_POSINF);
+ fiebr(dval[j], M3_BFP_ROUND_NEGINF);
+ }
+
+ /* f64 -> f64, round to int */
+ for (j = 0; j < sizeof dval / sizeof dval[0]; ++j) {
+ set_rounding_mode(FPC_BFP_ROUND_ZERO);
+ fidbr(dval[j], M3_BFP_ROUND_NEAREST_EVEN);
+ set_rounding_mode(FPC_BFP_ROUND_NEAREST_EVEN);
+ fidbr(dval[j], M3_BFP_ROUND_ZERO);
+ fidbr(dval[j], M3_BFP_ROUND_POSINF);
+ fidbr(dval[j], M3_BFP_ROUND_NEGINF);
+ }
+
return 0;
}
Modified: trunk/none/tests/s390x/rounding-6.stdout.exp
==============================================================================
--- trunk/none/tests/s390x/rounding-6.stdout.exp (original)
+++ trunk/none/tests/s390x/rounding-6.stdout.exp Thu Jul 9 20:21:42 2015
@@ -142,3 +142,75 @@
cgdbr 0.000000 -> 0 cc = 0 [-> 0]
cgdbr 0.000000 -> 0 cc = 0 [-> +inf]
cgdbr 0.000000 -> 0 cc = 0 [-> -inf]
+fiebr 1.25000 -> 1 [-> nearest even]
+fiebr 1.25000 -> 1 [-> 0]
+fiebr 1.25000 -> 2 [-> +inf]
+fiebr 1.25000 -> 1 [-> -inf]
+fiebr 1.50000 -> 2 [-> nearest even]
+fiebr 1.50000 -> 1 [-> 0]
+fiebr 1.50000 -> 2 [-> +inf]
+fiebr 1.50000 -> 1 [-> -inf]
+fiebr 2.50000 -> 2 [-> nearest even]
+fiebr 2.50000 -> 2 [-> 0]
+fiebr 2.50000 -> 3 [-> +inf]
+fiebr 2.50000 -> 2 [-> -inf]
+fiebr 1.75000 -> 2 [-> nearest even]
+fiebr 1.75000 -> 1 [-> 0]
+fiebr 1.75000 -> 2 [-> +inf]
+fiebr 1.75000 -> 1 [-> -inf]
+fiebr -1.25000 -> -1 [-> nearest even]
+fiebr -1.25000 -> -1 [-> 0]
+fiebr -1.25000 -> -1 [-> +inf]
+fiebr -1.25000 -> -2 [-> -inf]
+fiebr -1.50000 -> -2 [-> nearest even]
+fiebr -1.50000 -> -1 [-> 0]
+fiebr -1.50000 -> -1 [-> +inf]
+fiebr -1.50000 -> -2 [-> -inf]
+fiebr -2.50000 -> -2 [-> nearest even]
+fiebr -2.50000 -> -2 [-> 0]
+fiebr -2.50000 -> -2 [-> +inf]
+fiebr -2.50000 -> -3 [-> -inf]
+fiebr -1.75000 -> -2 [-> nearest even]
+fiebr -1.75000 -> -1 [-> 0]
+fiebr -1.75000 -> -1 [-> +inf]
+fiebr -1.75000 -> -2 [-> -inf]
+fiebr 0.00000 -> 0 [-> nearest even]
+fiebr 0.00000 -> 0 [-> 0]
+fiebr 0.00000 -> 0 [-> +inf]
+fiebr 0.00000 -> 0 [-> -inf]
+fidbr 1.25000 -> 1 [-> nearest even]
+fidbr 1.25000 -> 1 [-> 0]
+fidbr 1.25000 -> 2 [-> +inf]
+fidbr 1.25000 -> 1 [-> -inf]
+fidbr 1.50000 -> 2 [-> nearest even]
+fidbr 1.50000 -> 1 [-> 0]
+fidbr 1.50000 -> 2 [-> +inf]
+fidbr 1.50000 -> 1 [-> -inf]
+fidbr 2.50000 -> 2 [-> nearest even]
+fidbr 2.50000 -> 2 [-> 0]
+fidbr 2.50000 -> 3 [-> +inf]
+fidbr 2.50000 -> 2 [-> -inf]
+fidbr 1.75000 -> 2 [-> nearest even]
+fidbr 1.75000 -> 1 [-> 0]
+fidbr 1.75000 -> 2 [-> +inf]
+fidbr 1.75000 -> 1 [-> -inf]
+fidbr -1.25000 -> -1 [-> nearest even]
+fidbr -1.25000 -> -1 [-> 0]
+fidbr -1.25000 -> -1 [-> +inf]
+fidbr -1.25000 -> -2 [-> -inf]
+fidbr -1.50000 -> -2 [-> nearest even]
+fidbr -1.50000 -> -1 [-> 0]
+fidbr -1.50000 -> -1 [-> +inf]
+fidbr -1.50000 -> -2 [-> -inf]
+fidbr -2.50000 -> -2 [-> nearest even]
+fidbr -2.50000 -> -2 [-> 0]
+fidbr -2.50000 -> -2 [-> +inf]
+fidbr -2.50000 -> -3 [-> -inf]
+fidbr -1.75000 -> -2 [-> nearest even]
+fidbr -1.75000 -> -1 [-> 0]
+fidbr -1.75000 -> -1 [-> +inf]
+fidbr -1.75000 -> -2 [-> -inf]
+fidbr 0.00000 -> 0 [-> nearest even]
+fidbr 0.00000 -> 0 [-> 0]
+fidbr 0.00000 -> 0 [-> +inf]
+fidbr 0.00000 -> 0 [-> -inf]
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