Revert "Compile Hostboot with -Os"

This reverts commit cd1e5c91e4a15ca933c699553ece9b841825ac03.
The previous change seems to be causing problems with
thread local storage (TLS) access.

CQ: SW471547
Change-Id: Ic6f43fbba2a3d5abe94ea73e8e5fd03702b84365
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/81652
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>
Tested-by: Daniel M Crowell <dcrowell@us.ibm.com>

2 files changed, 1 insertions, 17 deletions

diff --git a/src/build/linker/linker.C b/src/build/linker/linker.C
index ba498d8a9..e5e53ad8a 100644
--- a/src/build/linker/linker.C
+++ b/src/build/linker/linker.C
@@ -123,7 +123,6 @@ struct Object
         string name;                    //!< full path name of file
         bfd* image;                     //!< bfd image of object
         Section text;                   //!< text section of binary
-        Section sfpr;                   //!< sfpr section of binary
         Section rodata;                 //!< rodata section of binary
         Section data;                   //!< data section of binary
         map<string, Symbol> symbols;    //!< symbol map
@@ -595,11 +594,6 @@ bool Object::read_object(const char* i_file)
             {
                 s = &this->text;
             }
-            else if (string(".sfpr") ==
-                     bfd_get_section_name(image, image_section))
-            {
-                s = &this->sfpr;
-            }
             else if (string(".rodata") ==
                      bfd_get_section_name(image, image_section))
             {
@@ -654,16 +648,6 @@ bool Object::write_object()
             cout << strerror(error) << endl;
         }
 
-        // Output sfpr section.
-        fseek(iv_output, offset + sfpr.vma_offset, SEEK_SET);
-        if ((0 != sfpr.size) &&
-            (sfpr.size != fwrite(sfpr.data, 1, sfpr.size, iv_output)))
-        {
-            int error = errno;
-            cout << "Error writing to output for sfpr." << endl;
-            cout << strerror(error) << endl;
-        }
-
         // Output RODATA section.
         fseek(iv_output, offset + rodata.vma_offset, SEEK_SET);
         if ((0 != rodata.size) &&
diff --git a/src/build/mkrules/cflags.env.mk b/src/build/mkrules/cflags.env.mk
index e1d36c190..04ff6fedd 100644
--- a/src/build/mkrules/cflags.env.mk
+++ b/src/build/mkrules/cflags.env.mk
@@ -28,7 +28,7 @@
 # Description:
 #     Configuration of the compiler, linker, etc. flags.
 
-OPT_LEVEL ?= -Os
+OPT_LEVEL ?= -O3
 
 ifdef MODULE
 COMMONFLAGS += -fPIC -Bsymbolic -Bsymbolic-functions