re PR target/82098 (internal compiler error: in elimination_costs_in_insn, at reload1...

	PR target/82098
	* config/i386/i386.md (*<btsc><mode>_mask): Add
	TARGET_USE_BT to insn constraint.
	(*btr<mode>_mask): Ditto.

From-SVN: r251682

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 74bf4a07f98e89b922375d3fabff731312dd8c60..e7e8c2319c2d2a20973e1f457fc0650d3b09c668 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+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.
+
 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
 
        * config/arm/arm.c (arm_legitimate_index_p): Add comment.

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index bf034795c8b1e71c7a1695a8c35afb6eae59c243..43227dc77ee94bc93f14baae737c3cad9174ed54 100644 (file)
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -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"