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* config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.

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From-SVN: r40319
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Richard Kenner 2001-03-08 11:33:06 +00:00 • committed by Richard Kenner
parent 553bf4387d
commit 4082ab0f2a
2 changed files with 20 additions and 3 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2001-03-08 Alexandre Oliva <aoliva@redhat.com>
* configure.in (enable_shared): Support per-package shared-library

19
gcc/config/i386/i386.md
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@ -11506,6 +11506,9 @@
rtx destreg, zeroreg, countreg;
int align = 0;
int count = -1;
rtx insns;
start_sequence ();
if (GET_CODE (operands[2]) == CONST_INT)
align = INTVAL (operands[2]);
@ -11519,7 +11522,7 @@
destreg = copy_to_mode_reg (Pmode, XEXP (operands[0], 0));
emit_insn (gen_cld());
emit_insn (gen_cld ());
/* When optimizing for size emit simple rep ; movsb instruction for
counts not divisible by 4. */
@ -11562,10 +11565,13 @@
library version, since it is usually equally fast and result in
shorter code. */
if (!TARGET_INLINE_ALL_STRINGOPS && align < 4)
FAIL;
{
end_sequence ();
FAIL;
}
if (TARGET_SINGLE_STRINGOP)
emit_insn (gen_cld());
emit_insn (gen_cld ());
countreg2 = gen_reg_rtx (SImode);
countreg = copy_to_mode_reg (SImode, operands[1]);
@ -11659,6 +11665,13 @@
LABEL_NUSES (label) = 1;
}
}
insns = get_insns ();
end_sequence ();
ix86_set_move_mem_attrs (insns, operands[0], operands[0], destreg, destreg);
emit_insns (insns);
DONE;
}")