* configure.in (HAVE_AS_LTOFFX_LDXMOV_RELOCS): New ia64 test.
* config.in, configure: Rebuild.
* config/ia64/ia64.c (ia64_ld_address_bypass_p): Accept lo_sum.
* config/ia64/ia64.md (load_symptr): Use high/lo_sum for the
paired ldtoffx and ldxmov annotations.
(load_symptr_internal1): Remove.
(load_symptr_high, load_symptr_low): New.
From-SVN: r63696
+2003-03-02 Richard Henderson <rth@redhat.com>
+
+ * configure.in (HAVE_AS_LTOFFX_LDXMOV_RELOCS): New ia64 test.
+ * config.in, configure: Rebuild.
+ * config/ia64/ia64.c (ia64_ld_address_bypass_p): Accept lo_sum.
+ * config/ia64/ia64.md (load_symptr): Use high/lo_sum for the
+ paired ldtoffx and ldxmov annotations.
+ (load_symptr_internal1): Remove.
+ (load_symptr_high, load_symptr_low): New.
+
2003-03-02 Neil Booth <neil@daikokuya.co.uk>
* c-incpath.c (add_path): Fix sysp assignment.
-/* config.in. Generated automatically from configure.in by autoheader 2.13. */
+/* config.in. Generated automatically from configure.in by autoheader. */
/* Define if using alloca.c. */
#undef C_ALLOCA
/* Define true if the assembler supports '.long foo@GOTOFF'. */
#undef HAVE_AS_GOTOFF_IN_DATA
+/* Define if your assembler supports ltoffx and ldxmov relocations. */
+#undef HAVE_AS_LTOFFX_LDXMOV_RELOCS
+
/* Define if your assembler supports dwarf2 .file/.loc directives,
and preserves file table indices exactly as given. */
#undef HAVE_AS_DWARF2_DEBUG_LINE
mem = XVECEXP (mem, 0, 0);
while (GET_CODE (mem) == SUBREG || GET_CODE (mem) == ZERO_EXTEND)
mem = XEXP (mem, 0);
- if (GET_CODE (mem) != MEM)
+
+ /* Note that LO_SUM is used for GOT loads. */
+ if (GET_CODE (mem) != LO_SUM && GET_CODE (mem) != MEM)
abort ();
+
return reg_mentioned_p (reg, mem);
}
(define_expand "load_symptr"
[(set (match_operand:DI 2 "register_operand" "")
- (plus:DI (match_dup 4) (match_operand:DI 1 "got_symbolic_operand" "")))
- (set (match_operand:DI 0 "register_operand" "") (match_dup 3))]
+ (plus:DI (high:DI (match_operand:DI 1 "got_symbolic_operand" ""))
+ (match_dup 3)))
+ (set (match_operand:DI 0 "register_operand" "")
+ (lo_sum:DI (match_dup 2) (match_dup 1)))]
""
{
- operands[3] = gen_rtx_MEM (DImode, operands[2]);
- operands[4] = pic_offset_table_rtx;
- RTX_UNCHANGING_P (operands[3]) = 1;
+ operands[3] = pic_offset_table_rtx;
})
-(define_insn "*load_symptr_internal1"
+(define_insn "*load_symptr_high"
[(set (match_operand:DI 0 "register_operand" "=r")
- (plus:DI (reg:DI 1) (match_operand 1 "got_symbolic_operand" "s")))]
+ (plus:DI (high:DI (match_operand 1 "got_symbolic_operand" "s"))
+ (match_operand:DI 2 "register_operand" "a")))]
""
- "addl %0 = @ltoff(%1), gp"
+{
+ if (HAVE_AS_LTOFFX_LDXMOV_RELOCS)
+ return "%,addl %0 = @ltoffx(%1), %2";
+ else
+ return "%,addl %0 = @ltoff(%1), %2";
+}
[(set_attr "itanium_class" "ialu")])
+(define_insn "*load_symptr_low"
+ [(set (match_operand:DI 0 "register_operand" "=r")
+ (lo_sum:DI (match_operand:DI 1 "register_operand" "r")
+ (match_operand 2 "got_symbolic_operand" "s")))]
+ ""
+{
+ if (HAVE_AS_LTOFFX_LDXMOV_RELOCS)
+ return "%,ld8.mov %0 = [%1], %2";
+ else
+ return "%,ld8 %0 = [%1]";
+}
+ [(set_attr "itanium_class" "ld")])
+
(define_insn "load_ltoff_dtpmod"
[(set (match_operand:DI 0 "register_operand" "=r")
(plus:DI (reg:DI 1)
echo "$ac_t""$gcc_cv_as_gotoff_in_data" 1>&6
;;
+
+ ia64*-*-*)
+ echo $ac_n "checking assembler supports ltoffx and ldxmov""... $ac_c" 1>&6
+echo "configure:8298: checking assembler supports ltoffx and ldxmov" >&5
+if eval "test \"`echo '$''{'gcc_cv_as_ltoffx_ldxmov_relocs'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+
+ gcc_cv_as_ltoffx_ldxmov_relocs=unknown
+ if test x$gcc_cv_gas_major_version != x \
+ -a x$gcc_cv_gas_minor_version != x
+ then
+ if test "$gcc_cv_gas_major_version" -eq 2 \
+ -a "$gcc_cv_gas_minor_version" -ge 14 \
+ -o "$gcc_cv_gas_major_version" -gt 2; then
+ gcc_cv_as_ltoffx_ldxmov_relocs=yes
+ fi
+ elif test x$gcc_cv_as != x; then
+ cat > conftest.s << 'EOF'
+ .text
+ addl r15 = @ltoffx(x#), gp
+ ;;
+ ld8.mov r16 = [r15], x#
+EOF
+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
+ gcc_cv_as_ltoffx_ldxmov_relocs=yes
+ else
+ gcc_cv_as_ltoffx_ldxmov_relocs=no
+ fi
+ rm -f conftest.s conftest.o
+ fi
+
+fi
+
+echo "$ac_t""$gcc_cv_as_ltoffx_ldxmov_relocs" 1>&6
+ if test "x$gcc_cv_as_ltoffx_ldxmov_relocs" = xyes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_AS_LTOFFX_LDXMOV_RELOCS 1
+EOF
+
+ fi
+ ;;
esac
echo $ac_n "checking assembler dwarf2 debug_line support""... $ac_c" 1>&6
-echo "configure:8298: checking assembler dwarf2 debug_line support" >&5
+echo "configure:8340: checking assembler dwarf2 debug_line support" >&5
gcc_cv_as_dwarf2_debug_line=no
# ??? Not all targets support dwarf2 debug_line, even within a version
# of gas. Moreover, we need to emit a valid instruction to trigger any
echo "$ac_t""$gcc_cv_as_dwarf2_debug_line" 1>&6
echo $ac_n "checking assembler --gdwarf2 support""... $ac_c" 1>&6
-echo "configure:8355: checking assembler --gdwarf2 support" >&5
+echo "configure:8397: checking assembler --gdwarf2 support" >&5
gcc_cv_as_gdwarf2_flag=no
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
then
echo "$ac_t""$gcc_cv_as_gdwarf2_flag" 1>&6
echo $ac_n "checking assembler --gstabs support""... $ac_c" 1>&6
-echo "configure:8384: checking assembler --gstabs support" >&5
+echo "configure:8426: checking assembler --gstabs support" >&5
gcc_cv_as_gstabs_flag=no
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
then
echo "$ac_t""$gcc_cv_as_gstabs_flag" 1>&6
echo $ac_n "checking linker read-only and read-write section mixing""... $ac_c" 1>&6
-echo "configure:8412: checking linker read-only and read-write section mixing" >&5
+echo "configure:8454: checking linker read-only and read-write section mixing" >&5
gcc_cv_ld_ro_rw_mix=unknown
if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
echo "$ac_t""$gcc_cv_ld_ro_rw_mix" 1>&6
echo $ac_n "checking linker PT_GNU_EH_FRAME support""... $ac_c" 1>&6
-echo "configure:8450: checking linker PT_GNU_EH_FRAME support" >&5
+echo "configure:8492: checking linker PT_GNU_EH_FRAME support" >&5
gcc_cv_ld_eh_frame_hdr=no
if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
case "$target" in
mips*-*-*)
echo $ac_n "checking whether libgloss uses STARTUP directives consistently""... $ac_c" 1>&6
-echo "configure:8474: checking whether libgloss uses STARTUP directives consistently" >&5
+echo "configure:8516: checking whether libgloss uses STARTUP directives consistently" >&5
gcc_cv_mips_libgloss_startup=no
gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
if test "x$exec_prefix" = xNONE; then
echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:8679: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:8721: checking whether to enable maintainer-specific portions of Makefiles" >&5
# Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then
enableval="$enable_maintainer_mode"
[Define true if the assembler supports '.long foo@GOTOFF'.])
AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
;;
+
+ ia64*-*-*)
+ AC_CACHE_CHECK([assembler supports ltoffx and ldxmov],
+ gcc_cv_as_ltoffx_ldxmov_relocs, [
+ gcc_cv_as_ltoffx_ldxmov_relocs=unknown
+ if test x$gcc_cv_gas_major_version != x \
+ -a x$gcc_cv_gas_minor_version != x
+ then
+ if test "$gcc_cv_gas_major_version" -eq 2 \
+ -a "$gcc_cv_gas_minor_version" -ge 14 \
+ -o "$gcc_cv_gas_major_version" -gt 2; then
+ gcc_cv_as_ltoffx_ldxmov_relocs=yes
+ fi
+ elif test x$gcc_cv_as != x; then
+ cat > conftest.s << 'EOF'
+changequote(,)dnl
+ .text
+ addl r15 = @ltoffx(x#), gp
+ ;;
+ ld8.mov r16 = [r15], x#
+EOF
+changequote([,])dnl
+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
+ gcc_cv_as_ltoffx_ldxmov_relocs=yes
+ else
+ gcc_cv_as_ltoffx_ldxmov_relocs=no
+ fi
+ rm -f conftest.s conftest.o
+ fi
+ ])
+ if test "x$gcc_cv_as_ltoffx_ldxmov_relocs" = xyes; then
+ AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
+ [Define if your assembler supports ltoffx and ldxmov relocations.])
+ fi
+ ;;
esac
AC_MSG_CHECKING(assembler dwarf2 debug_line support)
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