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re PR target/6561 (sparc-sun-solaris2.7 C testsuite failure w/-mcpu=ultrasparc in execute/950511-1.c)

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PR target/6561
	* config/sparc/sparc.md (muldi3_v8plus): Handle %1 equal to %2.

From-SVN: r53197
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Jakub Jelinek 2002-05-06 00:08:54 +02:00 committed by Jakub Jelinek
parent 98791e3a3f
commit cac010762c
2 changed files with 12 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-05-05 Jakub Jelinek <jakub@redhat.com>
PR target/6561
* config/sparc/sparc.md (muldi3_v8plus): Handle %1 equal to %2.
2002-05-05 Richard Henderson <rth@redhat.com>
* config/alpha/alpha.c (alpha_adjust_cost): Remove everything but

7
gcc/config/sparc/sparc.md
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@ -5489,6 +5489,13 @@
else
return \"sllx\\t%H1, 32, %3\\n\\tor\\t%L1, %3, %3\\n\\tmulx\\t%3, %2, %3\\n\\tsrlx\\t%3, 32, %H0\\n\\tmov\\t%3, %L0\";
}
else if (rtx_equal_p (operands[1], operands[2]))
{
if (which_alternative == 1)
return \"or\\t%L1, %H1, %H1\\n\\tmulx\\t%H1, %H1, %L0\;srlx\\t%L0, 32, %H0\";
else
return \"sllx\\t%H1, 32, %3\\n\\tor\\t%L1, %3, %3\\n\\tmulx\\t%3, %3, %3\\n\\tsrlx\\t%3, 32, %H0\\n\\tmov\\t%3, %L0\";
}
if (sparc_check_64 (operands[2], insn) <= 0)
output_asm_insn (\"srl\\t%L2, 0, %L2\", operands);
if (which_alternative == 1)