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Re: [_Complex test 2/4] _Complex type in varargs.exp


On 05/19/2011 11:27 PM, Joseph S. Myers wrote:
> On Thu, 19 May 2011, Yao Qi wrote:
> 
>> Tests in this case also fail on armv7l-unknown-linux-gnueabi and
>> x86_64-unknown-linux-gnu.  Shall I have to file yet another two PRs for
>> armv7l-unknown-linux-gnueabi and x86_64-unknown-linux-gnu respectively,
>> and KFAIL them to different PR separately?  At least, I didn't see such
>> usage elsewhere in gdb testsuite.
> 
> I think the correct division is one PR per target architecture for all 
> complex types ABI issues, rather than one PR per test failure.  That's the 
> only way a target maintainer can sensibly fix their target's problems, 
> test that they are fixed, and close the relevant PR; otherwise you have a 
> catch-all bug that's open for ever without meaningfully reflecting what 
> actually needs to be done to fix the problem.

OK, I opened another two PRs for armv7l-unknown-linux-gnueabi and
x86_64-unknown-linux-gnu.  KFAIL to different PRs according to the
target.  An internal error on x86_64-linux is not KFAIL'ed, because I
failed to KFAIL it after some experiments for some time.

x86_64-unknown-linux-gnu:
KFAIL: gdb.base/varargs.exp: print find_max_float_real(4, fc1, fc2, fc3,
fc4) (PRMS: gdb/12790)
KFAIL: gdb.base/varargs.exp: print find_max_double_real(4, dc1, dc2,
dc3, dc4) (PRMS: gdb/12790)
FAIL: gdb.base/varargs.exp: print find_max_long_double_real(4, ldc1,
ldc2, ldc3, ldc4) (GDB internal error)

armv7l-unknown-linux-gnueabi:
KFAIL: gdb.base/varargs.exp: print find_max_float_real(4, fc1, fc2, fc3,
fc4) (PRMS: gdb/12791)
KFAIL: gdb.base/varargs.exp: print find_max_double_real(4, dc1, dc2,
dc3, dc4) (PRMS: gdb/12791)
KFAIL: gdb.base/varargs.exp: print find_max_long_double_real(4, ldc1,
ldc2, ldc3, ldc4) (PRMS: gdb/12791)

i686-pc-linux-gnu:
KFAIL: gdb.base/varargs.exp: print find_max_double_real(4, dc1, dc2,
dc3, dc4) (PRMS: gdb/12776)
KFAIL: gdb.base/varargs.exp: print find_max_long_double_real(4, ldc1,
ldc2, ldc3, ldc4) (PRMS: gdb/12776)

If this patch is acceptable, I'll do the similar changes in patch 4/4.

-- 
Yao (éå)
>From 66ec9759f8595d3f998ed612a1bf6e79be85fc6e Mon Sep 17 00:00:00 2001
From: Yao Qi <yao@codesourcery.com>
Date: Wed, 18 May 2011 15:35:31 +0800
Subject: [PATCH 2/4] vararg of type _Complex

gdb/testsuite/

        Test inf-call of varargs of type _Complex.
        * gdb.base/varargs.c (find_max_float_real): New.
        (find_max_double_real, find_max_long_double_real): New.
        * gdb.base/varargs.exp: Call these new added functions.
---
 gdb/testsuite/gdb.base/varargs.c   |   80 ++++++++++++++++++++++++++++++++++++
 gdb/testsuite/gdb.base/varargs.exp |   62 ++++++++++++++++++++++++++++
 2 files changed, 142 insertions(+), 0 deletions(-)

diff --git a/gdb/testsuite/gdb.base/varargs.c b/gdb/testsuite/gdb.base/varargs.c
index 1122767..1ad2ffc 100644
--- a/gdb/testsuite/gdb.base/varargs.c
+++ b/gdb/testsuite/gdb.base/varargs.c
@@ -23,6 +23,28 @@ float fa,fb,fc,fd;
 double da,db,dc,dd;
 double dmax_val;
 
+#ifdef TEST_COMPLEX
+extern float crealf (float _Complex);
+extern double creal (double _Complex);
+extern long double creall (long double _Complex);
+
+float _Complex fc1 = 1.0F + 1.0iF;
+float _Complex fc2 = 2.0F + 2.0iF;
+float _Complex fc3 = 3.0F + 3.0iF;
+float _Complex fc4 = 4.0F + 4.0iF;
+
+double _Complex dc1 = 1.0 + 1.0i;
+double _Complex dc2 = 2.0 + 2.0i;
+double _Complex dc3 = 3.0 + 3.0i;
+double _Complex dc4 = 4.0 + 4.0i;
+
+long double _Complex ldc1 = 1.0L + 1.0Li;
+long double _Complex ldc2 = 2.0L + 2.0Li;
+long double _Complex ldc3 = 3.0L + 3.0Li;
+long double _Complex ldc4 = 4.0L + 4.0Li;
+
+#endif
+
 int main() {
   c = -1;
   uc = 1;
@@ -109,3 +131,61 @@ double find_max_double(int num_vals, double first_val, ...) {
   return max_val;
 }
 
+
+#ifdef TEST_COMPLEX
+float _Complex
+find_max_float_real (int num_vals, ...)
+{
+  float _Complex max = 0.0F + 0.0iF;
+  float _Complex x;
+  va_list argp;
+  int i;
+
+  va_start(argp, num_vals);
+  for (i = 0; i < num_vals; i++)
+    {
+      x = va_arg (argp, float _Complex);
+      if (crealf (max) < crealf (x)) max = x;
+    }
+
+  return max;
+}
+
+double _Complex
+find_max_double_real (int num_vals, ...)
+{
+  double _Complex max = 0.0 + 0.0i;
+  double _Complex x;
+  va_list argp;
+  int i;
+
+  va_start(argp, num_vals);
+  for (i = 0; i < num_vals; i++)
+    {
+      x = va_arg (argp, double _Complex);
+      if (creal (max) < creal (x)) max = x;
+    }
+
+  return max;
+}
+
+long double _Complex
+find_max_long_double_real (int num_vals, ...)
+{
+  long double _Complex max = 0.0L + 0.0iL;
+  long double _Complex x;
+  va_list argp;
+  int i;
+
+  va_start(argp, num_vals);
+  for (i = 0; i < num_vals; i++)
+    {
+      x = va_arg (argp, long double _Complex);
+      if (creall (max) < creal (x)) max = x;
+    }
+
+  return max;
+}
+
+
+#endif /* TEST_COMPLEX */
diff --git a/gdb/testsuite/gdb.base/varargs.exp b/gdb/testsuite/gdb.base/varargs.exp
index 4627862..c556bff 100644
--- a/gdb/testsuite/gdb.base/varargs.exp
+++ b/gdb/testsuite/gdb.base/varargs.exp
@@ -44,6 +44,9 @@ if [get_compiler_info ${binfile}] {
 }
 
 set additional_flags {debug}
+if [support_complex_tests] {
+    lappend additional_flags "additional_flags=-DTEST_COMPLEX"
+}
 
 if {$hp_cc_compiler} {
     lappend additional_flags "additional_flags=-Ae"
@@ -112,3 +115,62 @@ if {![target_info exists gdb,skip_float_tests]} {
 	"print find_max_double(5,1.0,17.0,2.0,3.0,4.0)"
 }
 
+
+# Test _Complex type here if supported.
+if [support_complex_tests] {
+    global gdb_prompt
+
+    set test "print find_max_float_real(4, fc1, fc2, fc3, fc4)"
+    gdb_test_multiple $test $test {
+	-re ".*= 4 \\+ 4 \\* I.*${gdb_prompt} $" {
+	    pass $test
+	}
+	-re ".*$gdb_prompt $" {
+	    if {[istarget "x86_64-*-*"]} {
+		kfail gdb/12790 $test
+	    } elseif {[istarget "arm*-*-*"]} {
+		kfail gdb/12791 $test
+	    } else {
+		fail $test
+	    }
+	}
+    }
+
+    set test "print find_max_double_real(4, dc1, dc2, dc3, dc4)"
+    gdb_test_multiple $test $test {
+	-re ".*= 4 \\+ 4 \\* I.*${gdb_prompt} $" {
+	    pass $test
+	}
+	-re ".*$gdb_prompt $" {
+	    if {[istarget "i?86-*-*"]} {
+		kfail gdb/12776 $test
+	    } elseif {[istarget "x86_64-*-*"]} {
+		kfail gdb/12790 $test
+	    } elseif {[istarget "arm*-*-*"]} {
+		kfail gdb/12791 $test
+	    } else {
+		fail $test
+	    }
+	}
+    }
+
+    set test "print find_max_long_double_real(4, ldc1, ldc2, ldc3, ldc4)"
+    gdb_test_multiple $test $test {
+	-re ".*= 4 \\+ 4 \\* I.*${gdb_prompt} $" {
+	    pass $test
+	}
+	-re ".*$gdb_prompt $" {
+	    if {[istarget "i?86-*-*"]} {
+		kfail gdb/12776 $test
+	    } elseif {[istarget "x86_64-*-*"]} {
+		kfail gdb/12790 $test
+	    } elseif {[istarget "arm*-*-*"]} {
+		kfail gdb/12791 $test
+	    } else {
+		fail $test
+	    }
+	}
+
+    }
+
+}
-- 
1.7.0.4


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