[src/trunk]: src/external/gpl3/gcc/dist/gcc/config/rs6000 update for GCC 7 - ...

[mrg <mrg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f420e88daec3
branches:  trunk
changeset: 448584:f420e88daec3
user:      mrg <mrg%NetBSD.org@localhost>
date:      Tue Feb 05 12:01:11 2019 +0000

description:
update for GCC 7 - mirror changes in freebsd64.h in recent times.

diffstat:

 external/gpl3/gcc/dist/gcc/config/rs6000/netbsd64.h |  30 +++++++++++++-------
 1 files changed, 19 insertions(+), 11 deletions(-)

diffs (77 lines):

diff -r db186daf7531 -r f420e88daec3 external/gpl3/gcc/dist/gcc/config/rs6000/netbsd64.h
--- a/external/gpl3/gcc/dist/gcc/config/rs6000/netbsd64.h       Tue Feb 05 11:44:18 2019 +0000
+++ b/external/gpl3/gcc/dist/gcc/config/rs6000/netbsd64.h       Tue Feb 05 12:01:11 2019 +0000
@@ -123,6 +123,12 @@
              rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE;     \
              error (INVALID_64BIT, "relocatable");             \
            }                                                   \
+         if (ELFv2_ABI_CHECK)                                  \
+           {                                                   \
+             rs6000_current_abi = ABI_ELFv2;                   \
+             if (dot_symbols)                                  \
+               error ("-mcall-aixdesc incompatible with -mabi=elfv2"); \
+           }                                                   \
          if (rs6000_isa_flags & OPTION_MASK_EABI)              \
            {                                                   \
              rs6000_isa_flags &= ~OPTION_MASK_EABI;            \
@@ -210,7 +216,7 @@
 #endif
 
 #define ASM_SPEC32 "-a32 \
-%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
+%{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
 %{memb|msdata=eabi: -memb}"
 
 #define ASM_SPEC64 "-a64"
@@ -256,15 +262,18 @@
 
 #endif
 
+/* Use standard DWARF numbering for DWARF debugging information.  */
+#define RS6000_USE_DWARF_NUMBERING
+
 /* PowerPC64 NetBSD word-aligns FP doubles when -malign-power is given.  */
 #undef  ADJUST_FIELD_ALIGN
-#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
-  ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE)    \
-   ? 128                                                               \
-   : (TARGET_64BIT                                                     \
-      && TARGET_ALIGN_NATURAL == 0                                     \
-      && TYPE_MODE (strip_array_types (TREE_TYPE (FIELD))) == DFmode)  \
-   ? MIN ((COMPUTED), 32)                                              \
+#define ADJUST_FIELD_ALIGN(FIELD, TYPE, COMPUTED) \
+  (rs6000_special_adjust_field_align_p ((TYPE), (COMPUTED))            \
+   ? 128                                                                \
+   : (TARGET_64BIT                                                      \
+      && TARGET_ALIGN_NATURAL == 0                                      \
+      && TYPE_MODE (strip_array_types (TYPE)) == DFmode)               \
+   ? MIN ((COMPUTED), 32)                                               \
    : (COMPUTED))
 
 /* PowerPC64 NetBSD increases natural record alignment to doubleword if
@@ -391,7 +400,7 @@
 #define MINIMAL_TOC_SECTION_ASM_OP \
   (TARGET_64BIT                                                \
    ? "\t.section\t\".toc1\",\"aw\""                    \
-   : ((TARGET_RELOCATABLE || flag_pic)                 \
+   : (flag_pic                                         \
       ? "\t.section\t\".got2\",\"aw\""                 \
       : "\t.section\t\".got1\",\"aw\""))
 
@@ -591,7 +600,6 @@
                        && ! TARGET_NO_FP_IN_TOC)))                     \
               || (!TARGET_64BIT                                        \
                   && !TARGET_NO_FP_IN_TOC                              \
-                  && !TARGET_RELOCATABLE                               \
                   && SCALAR_FLOAT_MODE_P (GET_MODE (X))                \
                   && BITS_PER_WORD == HOST_BITS_PER_INT)))))
 
@@ -600,7 +608,7 @@
    true if the symbol may be affected by dynamic relocations.  */
 #undef ASM_PREFERRED_EH_DATA_FORMAT
 #define        ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
-  ((TARGET_64BIT || flag_pic || TARGET_RELOCATABLE)                    \
+  (TARGET_64BIT || flag_pic                                            \
    ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel              \
       | (TARGET_64BIT ? DW_EH_PE_udata8 : DW_EH_PE_sdata4))            \
    : DW_EH_PE_absptr)