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Fix from Andreas Arnez for bug 342841 s390x unrecognized instruction fiebra

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15406
This commit is contained in:
Christian Borntraeger 2015-07-09 19:21:42 +00:00
parent 5081761ce2
commit b1b0ea7eae
3 changed files with 112 additions and 0 deletions
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1
NEWS
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@ -258,6 +258,7 @@ where XXXXXX is the bug number as listed below.
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.

39
none/tests/s390x/rounding-6.c
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@ -44,6 +44,20 @@ do { \
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 @@ do { \
#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 @@ int main(void)
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;
}

72
none/tests/s390x/rounding-6.stdout.exp
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@ -142,3 +142,75 @@ cgdbr 0.000000 -> 0 cc = 0 [-> nearest even]
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]