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configure.in (HAVE_AS_LTOFFX_LDXMOV_RELOCS): New ia64 test. 

* 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
This commit is contained in:
Richard Henderson 2003-03-02 14:15:51 -08:00 committed by Richard Henderson
parent 1494f93a22
commit ef1ecf87a6
6 changed files with 129 additions and 17 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
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.

5
gcc/config.in
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@ -1,4 +1,4 @@
/* 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
@ -600,6 +600,9 @@
/* 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

5
gcc/config/ia64/ia64.c
View File

@ -7012,8 +7012,11 @@ ia64_ld_address_bypass_p (producer, consumer)
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);
}

35
gcc/config/ia64/ia64.md
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@ -457,22 +457,41 @@
(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)

56
gcc/configure vendored
View File

@ -8291,10 +8291,52 @@ EOF
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""... $ac_c" 1>&6
echo "configure:8298: checking assembler dwarf2 debug_line support" >&5
echo "configure:8340: checking assembler dwarf2 debug_line support" >&5
gcc_cv_as_dwarf2_debug_line=no
# ??? Not all targets support dwarf2 debug_line, even within a version
# of gas. Moreover, we need to emit a valid instruction to trigger any
@ -8351,7 +8393,7 @@ fi
echo "$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$gcc_cv_gas_minor_version != x;
then
@ -8380,7 +8422,7 @@ fi
echo "$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$gcc_cv_gas_minor_version != x;
then
@ -8408,7 +8450,7 @@ fi
echo "$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
@ -8446,7 +8488,7 @@ fi
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
@ -8470,7 +8512,7 @@ echo "$ac_t""$gcc_cv_ld_eh_frame_hdr" 1>&6
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
@ -8675,7 +8717,7 @@ fi
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"

35
gcc/configure.in
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@ -2233,6 +2233,41 @@ EOF
[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)