From: Uros Bizjak <ubizjak@gmail.com>
Date: Tue, 18 Jul 2017 16:10:20 +0000 (+0200)
Subject: re PR target/81471 (internal compiler error: in curr_insn_transform, at lra-constrain... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e822e8858882b88f33a975849c6474031e28ea08;p=gcc.git

re PR target/81471 (internal compiler error: in curr_insn_transform, at lra-constraints.c:3495)

	PR target/81471
	* config/i386/i386.md (rorx_immediate_operand): New mode attribute.
	(*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
	operand 2 predicate.
	(*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
	operand 2 predicate.
	(ror,rol -> rorx splitters): Use const_int_operand as
	operand 2 predicate.

testsuite/ChangeLog:

	PR target/81471
	* gcc.target/i386/pr81471.c: New test.

From-SVN: r250315
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d6ffb757d01..ef0e7881073 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,14 @@
+2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/81471
+	* config/i386/i386.md (rorx_immediate_operand): New mode attribute.
+	(*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
+	operand 2 predicate.
+	(*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
+	operand 2 predicate.
+	(ror,rol -> rorx splitters): Use const_int_operand as
+	operand 2 predicate.
+
 2017-06-18  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/81410
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 4018e6746b6..5eff4e46fff 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -10732,10 +10732,15 @@
   split_double_mode (<DWI>mode, &operands[0], 1, &operands[4], &operands[5]);
 })
 
+(define_mode_attr rorx_immediate_operand
+	[(SI "const_0_to_31_operand")
+	 (DI "const_0_to_63_operand")])
+
 (define_insn "*bmi2_rorx<mode>3_1"
   [(set (match_operand:SWI48 0 "register_operand" "=r")
-	(rotatert:SWI48 (match_operand:SWI48 1 "nonimmediate_operand" "rm")
-			(match_operand:QI 2 "immediate_operand" "<S>")))]
+	(rotatert:SWI48
+	  (match_operand:SWI48 1 "nonimmediate_operand" "rm")
+	  (match_operand:QI 2 "<rorx_immediate_operand>" "<S>")))]
   "TARGET_BMI2"
   "rorx\t{%2, %1, %0|%0, %1, %2}"
   [(set_attr "type" "rotatex")
@@ -10778,7 +10783,7 @@
 (define_split
   [(set (match_operand:SWI48 0 "register_operand")
 	(rotate:SWI48 (match_operand:SWI48 1 "nonimmediate_operand")
-		      (match_operand:QI 2 "immediate_operand")))
+		      (match_operand:QI 2 "const_int_operand")))
    (clobber (reg:CC FLAGS_REG))]
   "TARGET_BMI2 && reload_completed"
   [(set (match_dup 0)
@@ -10792,7 +10797,7 @@
 (define_split
   [(set (match_operand:SWI48 0 "register_operand")
 	(rotatert:SWI48 (match_operand:SWI48 1 "nonimmediate_operand")
-			(match_operand:QI 2 "immediate_operand")))
+			(match_operand:QI 2 "const_int_operand")))
    (clobber (reg:CC FLAGS_REG))]
   "TARGET_BMI2 && reload_completed"
   [(set (match_dup 0)
@@ -10802,7 +10807,7 @@
   [(set (match_operand:DI 0 "register_operand" "=r")
 	(zero_extend:DI
 	  (rotatert:SI (match_operand:SI 1 "nonimmediate_operand" "rm")
-		       (match_operand:QI 2 "immediate_operand" "I"))))]
+		       (match_operand:QI 2 "const_0_to_31_operand" "I"))))]
   "TARGET_64BIT && TARGET_BMI2"
   "rorx\t{%2, %1, %k0|%k0, %1, %2}"
   [(set_attr "type" "rotatex")
@@ -10846,7 +10851,7 @@
   [(set (match_operand:DI 0 "register_operand")
 	(zero_extend:DI
 	  (rotate:SI (match_operand:SI 1 "nonimmediate_operand")
-		     (match_operand:QI 2 "immediate_operand"))))
+		     (match_operand:QI 2 "const_int_operand"))))
    (clobber (reg:CC FLAGS_REG))]
   "TARGET_64BIT && TARGET_BMI2 && reload_completed"
   [(set (match_dup 0)
@@ -10861,7 +10866,7 @@
   [(set (match_operand:DI 0 "register_operand")
 	(zero_extend:DI
 	  (rotatert:SI (match_operand:SI 1 "nonimmediate_operand")
-		       (match_operand:QI 2 "immediate_operand"))))
+		       (match_operand:QI 2 "const_int_operand"))))
    (clobber (reg:CC FLAGS_REG))]
   "TARGET_64BIT && TARGET_BMI2 && reload_completed"
   [(set (match_dup 0)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 80d57b8773d..1929d15be82 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/81471
+	* gcc.target/i386/pr81471.c: New test.
+
 2017-06-18  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/81410
diff --git a/gcc/testsuite/gcc.target/i386/pr81471.c b/gcc/testsuite/gcc.target/i386/pr81471.c
new file mode 100644
index 00000000000..68b4497c9f2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr81471.c
@@ -0,0 +1,13 @@
+/* PR target/81471 */
+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-options "-O2 -mbmi2" } */
+
+static inline unsigned int rotl (unsigned int x, int k)
+{
+  return (x << k) | (x >> (32 - k));
+}
+
+unsigned long long test (unsigned int z)
+{
+  return rotl (z, 55);
+}