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darwin.md (movdf_low_si): Mark the outgoing r constraint as early clobber.

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2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
        as early clobber.  Rewrite so the PIC register is not implicitly used.

From-SVN: r104241
This commit is contained in:
Andrew Pinski 2005-09-13 21:50:47 +00:00 committed by Andrew Pinski
parent c4abe01049
commit af8e89081e
2 changed files with 11 additions and 18 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
* config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
as early clobber. Rewrite so the PIC register is not implicitly used.
2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
* tree.c (annotate_with_file_line): Compare line numbers before

24
gcc/config/rs6000/darwin.md
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@ -28,7 +28,7 @@ Boston, MA 02110-1301, USA. */
[(set_attr "length" "4")])
(define_insn "movdf_low_si"
[(set (match_operand:DF 0 "gpc_reg_operand" "=f,!r")
[(set (match_operand:DF 0 "gpc_reg_operand" "=f,!&r")
(mem:DF (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b,b")
(match_operand 2 "" ""))))]
"TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && ! TARGET_64BIT"
@ -40,27 +40,15 @@ Boston, MA 02110-1301, USA. */
return \"lfd %0,lo16(%2)(%1)\";
case 1:
{
rtx operands2[4];
operands2[0] = operands[0];
operands2[1] = operands[1];
operands2[2] = operands[2];
if (TARGET_POWERPC64 && TARGET_32BIT)
/* Note, old assemblers didn't support relocation here. */
return \"ld %0,lo16(%2)(%1)\";
else
{
operands2[3] = gen_rtx_REG (SImode, RS6000_PIC_OFFSET_TABLE_REGNUM);
output_asm_insn (\"{l|lwz} %0,lo16(%2)(%1)\", operands);
#if TARGET_MACHO
if (MACHO_DYNAMIC_NO_PIC_P)
output_asm_insn (\"{liu|lis} %L0,ha16(%2+4)\", operands);
else
/* We cannot rely on ha16(low half)==ha16(high half), alas,
although in practice it almost always is. */
output_asm_insn (\"{cau|addis} %L0,%3,ha16(%2+4)\", operands2);
#endif
return (\"{l|lwz} %L0,lo16(%2+4)(%L0)\");
}
{
output_asm_insn (\"{l|lwz} %0,lo16(%2)(%1)\", operands);
output_asm_insn (\"{cal|la} %L0,lo16(%2)(%1)\", operands);
return (\"{l|lwz} %L0,4(%L0)\");
}
}
default:
gcc_unreachable ();