compiler: print runtime.hex in hex

    The gc compiler recognizes the type runtime.hex and prints values
    in this type as hex. Do the same here. This makes debugging
    runtime crashes slightly better.

    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/190597

From-SVN: r274591

diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index ba7282efde459375131829217ee89debddaec54c..48b42496965bb9028035ba2c79353e5d36fb3a55 100644 (file)
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-480477ca64c3001b9c7e92ef8b978dc92a5912d2
+0f6d673d5b1a3474c3424cb6994ae8ff9baed255
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index abc4bba4e17dc79c2153eddcf58638ce7b3a11b3..995a18c71b84656e2975fd9997a8270aa8a5c839 100644 (file)
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -10294,7 +10294,13 @@ Builtin_call_expression::do_get_backend(Translate_context* context)
                  {
                    Type* itype = Type::lookup_integer_type("uint64");
                    arg = Expression::make_cast(itype, arg, location);
-                    code = Runtime::PRINTUINT;
+                    if (gogo->compiling_runtime()
+                        && type->named_type() != NULL
+                        && gogo->unpack_hidden_name(type->named_type()->name())
+                           == "hex")
+                      code = Runtime::PRINTHEX;
+                    else
+                      code = Runtime::PRINTUINT;
                  }
                else if (type->integer_type() != NULL)
                  {

diff --git a/gcc/go/gofrontend/runtime.def b/gcc/go/gofrontend/runtime.def
index c754739227ebf45d5bbfd45724471810690252be..dfd6ebd5e0ae37fcccb2e80bde6202c563515635 100644 (file)
--- a/gcc/go/gofrontend/runtime.def
+++ b/gcc/go/gofrontend/runtime.def
@@ -384,6 +384,9 @@ DEF_GO_RUNTIME(PRINTSTRING, "runtime.printstring", P1(STRING), R0())
 // Print a uint64 (for print/println).
 DEF_GO_RUNTIME(PRINTUINT, "runtime.printuint", P1(UINT64), R0())
 
+// Print a uint64 in hex (for print/println, used for runtime.hex type).
+DEF_GO_RUNTIME(PRINTHEX, "runtime.printhex", P1(UINT64), R0())
+
 // Print a int64 (for print/println).
 DEF_GO_RUNTIME(PRINTINT, "runtime.printint", P1(INT64), R0())