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re PR target/83984 (ld: The value 0x8000000000005 does not fit when applying the relocation DIR21L)

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PR target/83984
	* config/pa/pa.md: Load address of PIC label using the linkage table
	if the label is nonlocal.

From-SVN: r257672
This commit is contained in:
John David Anglin 2018-02-14 21:13:26 +00:00
parent 4ce5745cab
commit 6ae6798943
2 changed files with 59 additions and 29 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-02-14 John David Anglin <danglin@gcc.gnu.org>
PR target/83984
* config/pa/pa.md: Load address of PIC label using the linkage table
if the label is nonlocal.
2018-02-14 Kelvin Nilsen <kelvin@gcc.gnu.org>
* config/rs6000/rs6000.c (rs6000_option_override_internal): Issue

82
gcc/config/pa/pa.md
View File

@ -2536,24 +2536,40 @@
xoperands[0] = operands[0];
xoperands[1] = operands[1];
xoperands[2] = gen_label_rtx ();
(*targetm.asm_out.internal_label) (asm_out_file, \"L\",
CODE_LABEL_NUMBER (xoperands[2]));
output_asm_insn (\"mfia %0\", xoperands);
/* If we're trying to load the address of a label that happens to be
close, then we can use a shorter sequence. */
if (GET_CODE (operands[1]) == LABEL_REF
&& !LABEL_REF_NONLOCAL_P (operands[1])
&& INSN_ADDRESSES_SET_P ()
&& abs (INSN_ADDRESSES (INSN_UID (XEXP (operands[1], 0)))
- INSN_ADDRESSES (INSN_UID (insn))) < 8100)
output_asm_insn (\"ldo %1-%2(%0),%0\", xoperands);
&& !LABEL_REF_NONLOCAL_P (operands[1]))
{
xoperands[2] = gen_label_rtx ();
(*targetm.asm_out.internal_label) (asm_out_file, \"L\",
CODE_LABEL_NUMBER (xoperands[2]));
output_asm_insn (\"mfia %0\", xoperands);
/* If we're trying to load the address of a label that happens to be
close, then we can use a shorter sequence. */
if (INSN_ADDRESSES_SET_P ()
&& abs (INSN_ADDRESSES (INSN_UID (XEXP (operands[1], 0)))
- INSN_ADDRESSES (INSN_UID (insn))) < 8100)
output_asm_insn (\"ldo %1-%2(%0),%0\", xoperands);
else
{
output_asm_insn (\"addil L%%%1-%2,%0\", xoperands);
output_asm_insn (\"ldo R%%%1-%2(%0),%0\", xoperands);
}
}
else
{
output_asm_insn (\"addil L%%%1-%2,%0\", xoperands);
output_asm_insn (\"ldo R%%%1-%2(%0),%0\", xoperands);
/* Load using linkage table. */
if (TARGET_64BIT)
{
output_asm_insn (\"addil LT%%%1,%%r27\", xoperands);
output_asm_insn (\"ldd RT%%%1(%0),%0\", xoperands);
}
else
{
output_asm_insn (\"addil LT%%%1,%%r19\", xoperands);
output_asm_insn (\"ldw RT%%%1(%0),%0\", xoperands);
}
}
return \"\";
}"
@ -2570,25 +2586,33 @@
xoperands[0] = operands[0];
xoperands[1] = operands[1];
xoperands[2] = gen_label_rtx ();
output_asm_insn (\"bl .+8,%0\", xoperands);
output_asm_insn (\"depi 0,31,2,%0\", xoperands);
(*targetm.asm_out.internal_label) (asm_out_file, \"L\",
CODE_LABEL_NUMBER (xoperands[2]));
/* If we're trying to load the address of a label that happens to be
close, then we can use a shorter sequence. */
if (GET_CODE (operands[1]) == LABEL_REF
&& !LABEL_REF_NONLOCAL_P (operands[1])
&& INSN_ADDRESSES_SET_P ()
&& abs (INSN_ADDRESSES (INSN_UID (XEXP (operands[1], 0)))
- INSN_ADDRESSES (INSN_UID (insn))) < 8100)
output_asm_insn (\"ldo %1-%2(%0),%0\", xoperands);
&& !LABEL_REF_NONLOCAL_P (operands[1]))
{
xoperands[2] = gen_label_rtx ();
output_asm_insn (\"bl .+8,%0\", xoperands);
output_asm_insn (\"depi 0,31,2,%0\", xoperands);
(*targetm.asm_out.internal_label) (asm_out_file, \"L\",
CODE_LABEL_NUMBER (xoperands[2]));
/* If we're trying to load the address of a label that happens to be
close, then we can use a shorter sequence. */
if (INSN_ADDRESSES_SET_P ()
&& abs (INSN_ADDRESSES (INSN_UID (XEXP (operands[1], 0)))
- INSN_ADDRESSES (INSN_UID (insn))) < 8100)
output_asm_insn (\"ldo %1-%2(%0),%0\", xoperands);
else
{
output_asm_insn (\"addil L%%%1-%2,%0\", xoperands);
output_asm_insn (\"ldo R%%%1-%2(%0),%0\", xoperands);
}
}
else
{
output_asm_insn (\"addil L%%%1-%2,%0\", xoperands);
output_asm_insn (\"ldo R%%%1-%2(%0),%0\", xoperands);
/* Load using linkage table. */
output_asm_insn (\"addil LT%%%1,%%r19\", xoperands);
output_asm_insn (\"ldw RT%%%1(%0),%0\", xoperands);
}
return \"\";
}"