Add some 128-bit integer tests

This adds some tests for printing 128-bit integers.

2017-06-12  Tom Tromey  <tom@tromey.com>

	* gdb.dwarf2/formdata16.exp: Add tests.

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 340a824..5f6adc5 100644 (file)
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,9 @@
 2017-06-12  Tom Tromey  <tom@tromey.com>
 
+       * gdb.dwarf2/formdata16.exp: Add tests.
+
+2017-06-12  Tom Tromey  <tom@tromey.com>
+
        * gdb.arch/altivec-regs.exp: Expect decimal results for uint128.
 
 2017-06-12  Tom Tromey  <tom@tromey.com>

diff --git a/gdb/testsuite/gdb.dwarf2/formdata16.exp b/gdb/testsuite/gdb.dwarf2/formdata16.exp
index bba2015..a3ccbd3 100644 (file)
--- a/gdb/testsuite/gdb.dwarf2/formdata16.exp
+++ b/gdb/testsuite/gdb.dwarf2/formdata16.exp
@@ -41,18 +41,22 @@ set high "0x123456789abcdef0"
 set low "0x0fedcba987654321"
 if { $endianness == "big" } {
     set pair $high,$low
+    set pair2 0x0,$low
+    set negative 0xffffffffffffffff,$low
 } else {
     set pair $low,$high
+    set pair2 $low,0x0
+    set negative $low,0xffffffffffffffff
 }
 
 # Make some DWARF for the test.
 set asm_file [standard_output_file $srcfile2]
 Dwarf::assemble $asm_file {
-    global pair
+    global pair pair2 negative
 
     cu { addr_size 4 } {
        compile_unit {} {
-           declare_labels int_label
+           declare_labels int_label sint_label
 
            int_label: DW_TAG_base_type {
                {DW_AT_byte_size 16 DW_FORM_udata}
@@ -60,11 +64,29 @@ Dwarf::assemble $asm_file {
                {DW_AT_name "__uint128"}
            }
 
+           sint_label: DW_TAG_base_type {
+               {DW_AT_byte_size 16 DW_FORM_udata}
+               {DW_AT_encoding @DW_ATE_signed}
+               {DW_AT_name "__int128"}
+           }
+
            DW_TAG_variable {
                {name xxx}
                {type :$int_label}
                {const_value $pair DW_FORM_data16}
            }
+
+           DW_TAG_variable {
+               {name yyy}
+               {type :$int_label}
+               {const_value $pair2 DW_FORM_data16}
+           }
+
+           DW_TAG_variable {
+               {name sss}
+               {type :$sint_label}
+               {const_value $negative DW_FORM_data16}
+           }
        }
     }
 }
@@ -75,3 +97,8 @@ if { [prepare_for_testing "failed to prepare" ${testfile} \
 }
 
 gdb_test "p/x xxx" " = 0x123456789abcdef00fedcba987654321"
+gdb_test "p xxx" "= 24197857203266734864629346612071973665"
+gdb_test "p/x yyy" " = 0xfedcba987654321"
+gdb_test "p yyy" "= 1147797409030816545"
+gdb_test "p/x sss" " = 0xffffffffffffffff0fedcba987654321"
+gdb_test "p sss" "= -17298946664678735071"