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pa.c (attr_length_call): Revise condition for long pc-relative branch.

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* pa.c (attr_length_call): Revise condition for long pc-relative branch.
	(output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
	calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
	SOM target.

From-SVN: r122784
This commit is contained in:
John David Anglin 2007-03-10 01:34:23 +00:00 committed by John David Anglin
parent 48137d59c3
commit 751d985534
2 changed files with 16 additions and 6 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa.c (attr_length_call): Revise condition for long pc-relative branch.
(output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
SOM target.
2007-03-09 Geoffrey Keating <geoffk@apple.com>
* gcc.c: Document %{, in big comment at top.

15
gcc/config/pa/pa.c
View File

@ -7273,9 +7273,10 @@ attr_length_call (rtx insn, int sibcall)
length += 12;
/* long pc-relative branch sequence. */
else if ((TARGET_SOM && TARGET_LONG_PIC_SDIFF_CALL)
else if ((TARGET_SOM && (TARGET_LONG_PIC_SDIFF_CALL || local_call))
|| (TARGET_64BIT && !TARGET_GAS)
|| (TARGET_GAS && (TARGET_LONG_PIC_PCREL_CALL || local_call)))
|| (TARGET_GAS && !TARGET_SOM
&& (TARGET_LONG_PIC_PCREL_CALL || local_call)))
{
length += 20;
@ -7385,8 +7386,9 @@ output_call (rtx insn, rtx call_dest, int sibcall)
of increasing length and complexity. In most cases,
they don't allow an instruction in the delay slot. */
if (!((TARGET_LONG_ABS_CALL || local_call) && !flag_pic)
&& !(TARGET_SOM && TARGET_LONG_PIC_SDIFF_CALL)
&& !(TARGET_GAS && (TARGET_LONG_PIC_PCREL_CALL || local_call))
&& !(TARGET_SOM && (TARGET_LONG_PIC_SDIFF_CALL || local_call))
&& !(TARGET_GAS && !TARGET_SOM
&& (TARGET_LONG_PIC_PCREL_CALL || local_call))
&& !TARGET_64BIT)
indirect_call = 1;
@ -7432,7 +7434,7 @@ output_call (rtx insn, rtx call_dest, int sibcall)
}
else
{
if ((TARGET_SOM && TARGET_LONG_PIC_SDIFF_CALL)
if ((TARGET_SOM && (TARGET_LONG_PIC_SDIFF_CALL || local_call))
|| (TARGET_64BIT && !TARGET_GAS))
{
/* The HP assembler and linker can handle relocations
@ -7446,7 +7448,8 @@ output_call (rtx insn, rtx call_dest, int sibcall)
CODE_LABEL_NUMBER (xoperands[1]));
output_asm_insn ("ldo R'%0-%l1(%%r1),%%r1", xoperands);
}
else if (TARGET_GAS && (TARGET_LONG_PIC_PCREL_CALL || local_call))
else if (TARGET_GAS && !TARGET_SOM
&& (TARGET_LONG_PIC_PCREL_CALL || local_call))
{
/* GAS currently can't generate the relocations that
are needed for the SOM linker under HP-UX using this