From: Alan Modra <amodra@gmail.com>
To: David Edelsohn <dje.gcc@gmail.com>
Cc: Michael Meissner <meissner@linux.vnet.ibm.com>,
GCC Patches <gcc-patches@gcc.gnu.org>,
Michael Meissner <mrmeissn@us.ibm.com>
Subject: Re: [RS6000] Fix 65576 regression
Date: Fri, 03 Apr 2015 12:51:00 -0000 [thread overview]
Message-ID: <20150403125146.GW26234@bubble.grove.modra.org> (raw)
In-Reply-To: <CAGWvnyngw49JL1xrH++TeS97v5Epj16RbTmYkkXTJGSMf5G5HA@mail.gmail.com>
On Thu, Apr 02, 2015 at 08:02:57PM -0400, David Edelsohn wrote:
> If the final alternative cannot occur, it should be removed as well.
> Alan, would you please test that change also?
Tested powerpc64-linux and powerpc-linux no regressions.
* config/rs6000/rs6000.md (extenddftf2_internal): Remove last
alternative.
Index: gcc/config/rs6000/rs6000.md
===================================================================
--- gcc/config/rs6000/rs6000.md (revision 221805)
+++ gcc/config/rs6000/rs6000.md (working copy)
@@ -8369,9 +8369,9 @@
})
(define_insn_and_split "*extenddftf2_internal"
- [(set (match_operand:TF 0 "nonimmediate_operand" "=m,Y,ws,d,&d,r")
- (float_extend:TF (match_operand:DF 1 "input_operand" "d,r,md,md,md,rm")))
- (use (match_operand:DF 2 "zero_reg_mem_operand" "d,r,j,m,d,n"))]
+ [(set (match_operand:TF 0 "nonimmediate_operand" "=m,Y,ws,d,&d")
+ (float_extend:TF (match_operand:DF 1 "input_operand" "d,r,md,md,md")))
+ (use (match_operand:DF 2 "zero_reg_mem_operand" "d,r,j,m,d"))]
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT
&& TARGET_LONG_DOUBLE_128"
--
Alan Modra
Australia Development Lab, IBM
next prev parent reply other threads:[~2015-04-03 12:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-02 5:22 Alan Modra
2015-04-02 17:03 ` David Edelsohn
2015-04-02 23:19 ` Alan Modra
2015-04-02 23:41 ` Michael Meissner
2015-04-03 0:03 ` David Edelsohn
2015-04-03 12:51 ` Alan Modra [this message]
2015-04-03 13:35 ` David Edelsohn
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