From: Uros Bizjak <ubizjak@gmail.com>
To: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: [PATCH, i386]: Fix PR82098, ICE in elimination_costs_in_insn
Date: Mon, 04 Sep 2017 18:30:00 -0000 [thread overview]
Message-ID: <CAFULd4ZSMkTeBu=FE0iHmAp_5Ot0WmPzVD0e03-T4MLQt8ZZLQ@mail.gmail.com> (raw)
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2017-09-04 Uros Bizjak <ubizjak@gmail.com>
PR target/82098
* config/i386/i386.md (*<btsc><mode>_mask): Add
TARGET_USE_BT to insn constraint.
(*btr<mode>_mask): Ditto.
Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
Committed to mainline SVN.
Uros.
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Index: config/i386/i386.md
===================================================================
--- config/i386/i386.md (revision 251662)
+++ config/i386/i386.md (working copy)
@@ -11033,8 +11033,9 @@
(match_operand:SI 2 "const_int_operand")) 0))
(match_operand:SWI48 3 "register_operand")))
(clobber (reg:CC FLAGS_REG))]
- "(INTVAL (operands[2]) & (GET_MODE_BITSIZE (<MODE>mode)-1))
- == GET_MODE_BITSIZE (<MODE>mode)-1
+ "TARGET_USE_BT
+ && (INTVAL (operands[2]) & (GET_MODE_BITSIZE (<MODE>mode)-1))
+ == GET_MODE_BITSIZE (<MODE>mode)-1
&& can_create_pseudo_p ()"
"#"
"&& 1"
@@ -11073,8 +11074,9 @@
(match_operand:SI 2 "const_int_operand")) 0))
(match_operand:SWI48 3 "register_operand")))
(clobber (reg:CC FLAGS_REG))]
- "(INTVAL (operands[2]) & (GET_MODE_BITSIZE (<MODE>mode)-1))
- == GET_MODE_BITSIZE (<MODE>mode)-1
+ "TARGET_USE_BT
+ && (INTVAL (operands[2]) & (GET_MODE_BITSIZE (<MODE>mode)-1))
+ == GET_MODE_BITSIZE (<MODE>mode)-1
&& can_create_pseudo_p ()"
"#"
"&& 1"
reply other threads:[~2017-09-04 18:30 UTC|newest]
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