On 09/22/2016 06:14 AM, Rainer Orth wrote:
Hi Martin,

your patch broke bootstrap with MPFR 2.4.2, which is still the
recommended (or perhaps minimal) version according to install.texi:
[...]
The following patch (together with your other one to fix ILP32 targets)
allows a sparc-sun-solaris2.12 bootstrap to continue.  I'm going to
commit it as obvious.

done now.  Once the bootstrap had finished, I see quite a number of
testsuite failures (i386-pc-solaris2.12 still running), both 32 and
64-bit:

+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1220)
+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1270)
+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1381)
+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 356)
+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 99)
+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (test for excess errors)

I have a patch for (hopefully) most of these failures that I will
commit along with the one for pr77676 as soon as it's approved.

Excess errors:
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:209:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 5 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:210:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 5 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:211:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 5 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:211:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 6 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:212:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 5 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:213:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 5 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:213:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 6 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:1238:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 4 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:1239:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 4 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:1240:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 4 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:1287:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 6 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:1288:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 6 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:1289:3:
 warning: format '%lc' expects argument of type 'wint_t', but argument 6 has 
type 'int' [-Wformat=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:99:3:
 warning: '%p' directive writing 1 byte into a region of size 0 
[-Wformat-length=]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c:1406:3:
 warning: specified size 4294967295 exceeds the size 2 of the destination 
object [-Wformat-length=]

+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-2.c  (test for warnings, line 50)
+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-2.c sprintf transformed into strcpy
(test for warnings, line 83)
+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-2.c sprintf transformed into strcpy
(test for warnings, line 84)

+FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-4.c (test for excess errors)

Excess errors:
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-4.c:10:21:
 warning: writing a terminating nul past the end of the destination 
[-Wformat-length=]/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-4.c:22:22:
 warning: '%-s' directive writing 4 bytes into a region of size 1 
[-Wformat-length=]

+FAIL: gcc.dg/tree-ssa/builtin-sprintf.c execution test

FAIL: test_a_double:364: "%a" expected result for "0x0.0000000000000p+0" 
doesn't match function call return value: 20 != 6
FAIL: test_a_double:365: "%a" expected result for "0x1.0000000000000p+0" 
doesn't match function call return value: 20 != 6
FAIL: test_a_double:366: "%a" expected result for "0x1.0000000000000p+1" 
doesn't match function call return value: 20 != 6

FAIL: test_a_long_double:375: "%La" expected result for 
"0x0.0000000000000000000000000000p+0" doesn't match function call return value: 35 != 6
FAIL: test_a_long_double:376: "%La" expected result for 
"0x1.0000000000000000000000000000p+0" doesn't match function call return value: 35 != 6
FAIL: test_a_long_double:377: "%La" expected result for 
"0x1.0000000000000000000000000000p+1" doesn't match function call return value: 35 != 6

I don't know about these.  It looks like the Solaris printf doesn't
handle the %a directive correctly and the tests (and the related
checks/optimization) might need to be disabled, which in turn might
involve extending the existing printf hook or adding a new one.
I don't have access to Solaris to fully debug and test this there.
Would you mind helping with it?

Martin

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