Revert my 2017-09-19 patch.

From-SVN: r253012

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3ee9ea1..b41cd03 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -130,12 +130,6 @@
 
 2017-09-19  Uros Bizjak  <ubizjak@gmail.com>
 
-       * config/i386/i386.md (*scc_bt<mode>): New insn_and_split pattern.
-       (*scc_bt<mode>_1): Ditto.
-       (*scc_bt<mode>_mask): Ditto.
-
-2017-09-19  Uros Bizjak  <ubizjak@gmail.com>
-
        * config/i386/i386.c (ix86_split_long_move): Do not handle
        address used for LEA in a special way.
 

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index b1bde14..43227dc 100644 (file)
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -11246,98 +11246,6 @@
          (const_string "SI")
          (const_string "<MODE>")))])
 
-(define_insn_and_split "*scc_bt<mode>"
-  [(set (match_operand:QI 0 "nonimmediate_operand")
-       (match_operator 1 "bt_comparison_operator"
-         [(zero_extract:SWI48
-            (match_operand:SWI48 2 "nonimmediate_operand")
-            (const_int 1)
-            (match_operand:SI 3 "nonmemory_operand"))
-          (const_int 0)]))
-   (clobber (reg:CC FLAGS_REG))]
-  "(TARGET_USE_BT || optimize_function_for_size_p (cfun))
-   && (CONST_INT_P (operands[3])
-       ? (INTVAL (operands[3]) < GET_MODE_BITSIZE (<MODE>mode)
-         && INTVAL (operands[3])
-              >= (optimize_function_for_size_p (cfun) ? 8 : 32))
-       : !memory_operand (operands[2], <MODE>mode))
-   && can_create_pseudo_p ()"
-  "#"
-  "&& 1"
-  [(set (reg:CCC FLAGS_REG)
-       (compare:CCC
-         (zero_extract:SWI48
-           (match_dup 2)
-           (const_int 1)
-           (match_dup 3))
-         (const_int 0)))
-   (set (match_dup 0)
-       (match_op_dup 1 [(reg:CCC FLAGS_REG) (const_int 0)]))]
-{
-  operands[1] = shallow_copy_rtx (operands[1]);
-  PUT_CODE (operands[1], reverse_condition (GET_CODE (operands[1])));
-})
-
-(define_insn_and_split "*scc_bt<mode>_1"
-  [(set (match_operand:QI 0 "nonimmediate_operand")
-       (match_operator 1 "bt_comparison_operator"
-         [(zero_extract:SWI48
-            (match_operand:SWI48 2 "register_operand")
-            (const_int 1)
-            (zero_extend:SI
-              (match_operand:QI 3 "register_operand")))
-          (const_int 0)]))
-   (clobber (reg:CC FLAGS_REG))]
-  "(TARGET_USE_BT || optimize_function_for_size_p (cfun))
-   && can_create_pseudo_p ()"
-  "#"
-  "&& 1"
-  [(set (reg:CCC FLAGS_REG)
-       (compare:CCC
-         (zero_extract:SWI48
-           (match_dup 2)
-           (const_int 1)
-           (match_dup 3))
-         (const_int 0)))
-   (set (match_dup 0)
-       (match_op_dup 1 [(reg:CCC FLAGS_REG) (const_int 0)]))]
-{
-  operands[3] = lowpart_subreg (SImode, operands[3], QImode);
-  operands[1] = shallow_copy_rtx (operands[1]);
-  PUT_CODE (operands[1], reverse_condition (GET_CODE (operands[1])));
-})
-
-;; Avoid useless masking of bit offset operand.
-(define_insn_and_split "*scc_bt<mode>_mask"
-  [(set (match_operand:QI 0 "nonimmediate_operand")
-       (match_operator 1 "bt_comparison_operator"
-         [(zero_extract:SWI48
-            (match_operand:SWI48 2 "register_operand")
-            (const_int 1)
-            (and:SI
-              (match_operand:SI 3 "register_operand")
-              (match_operand 4 "const_int_operand")))]))
-   (clobber (reg:CC FLAGS_REG))]
-  "(TARGET_USE_BT || optimize_function_for_size_p (cfun))
-   && (INTVAL (operands[4]) & (GET_MODE_BITSIZE (<MODE>mode)-1))
-      == GET_MODE_BITSIZE (<MODE>mode)-1
-   && can_create_pseudo_p ()"
-  "#"
-  "&& 1"
-  [(set (reg:CCC FLAGS_REG)
-       (compare:CCC
-         (zero_extract:SWI48
-           (match_dup 2)
-           (const_int 1)
-           (match_dup 3))
-         (const_int 0)))
-   (set (match_dup 0)
-       (match_op_dup 1 [(reg:CCC FLAGS_REG) (const_int 0)]))]
-{
-  operands[1] = shallow_copy_rtx (operands[1]);
-  PUT_CODE (operands[1], reverse_condition (GET_CODE (operands[1])));
-})
-
 (define_insn_and_split "*jcc_bt<mode>"
   [(set (pc)
        (if_then_else (match_operator 0 "bt_comparison_operator"

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3ebdab9..65c489e 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -58,13 +58,6 @@
        (check_effective_target_frame_pointer_for_non_leaf): Likewise.
        (check_effective_target_caller_implicit_probes): Likewise.
 
-2017-09-19  Uros Bizjak  <ubizjak@gmail.com>
-
-       * gcc.target/i386/bt-5.c: New test.
-       * gcc.target/i386/bt-6.c: Ditto.
-       * gcc.target/i386/bt-mask-3.c: Ditto.
-       * gcc.target/i386/bt-mask-4.c: Ditto.
-
 2017-09-19  Jakub Jelinek  <jakub@redhat.com>
 
        * g++.dg/tree-ssa/pr31146-2.C: Only do scan-tree-dump for c++14_down.

diff --git a/gcc/testsuite/gcc.target/i386/bt-5.c b/gcc/testsuite/gcc.target/i386/bt-5.c
deleted file mode 100644 (file)
index 309adfe..0000000
--- a/gcc/testsuite/gcc.target/i386/bt-5.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/* PR target/36473 */
-/* { dg-do compile } */
-/* { dg-options "-O2 -mtune=core2" } */
-/* { dg-additional-options "-mregparm=2" { target ia32 } } */
-
-int test(unsigned x, unsigned n)
-{
-  return !(x & ( 0x01 << n ));
-}
-
-/* { dg-final { scan-assembler "btl\[ \t\]" } } */

diff --git a/gcc/testsuite/gcc.target/i386/bt-6.c b/gcc/testsuite/gcc.target/i386/bt-6.c
deleted file mode 100644 (file)
index 994ec43..0000000
--- a/gcc/testsuite/gcc.target/i386/bt-6.c
+++ /dev/null
@@ -1,12 +0,0 @@
-/* PR target/36473 */
-/* { dg-do compile } */
-/* { dg-options "-O2 -mtune=core2" } */
-/* { dg-additional-options "-mregparm=2" { target ia32 } } */
-
-int test(unsigned long x, unsigned long n)
-{
-  return !(x & ( (long)0x01 << n ));
-}
-
-/* { dg-final { scan-assembler "btl\[ \t\]" { target { ! lp64 } } } } */
-/* { dg-final { scan-assembler "btq\[ \t\]" { target lp64 } } } */

diff --git a/gcc/testsuite/gcc.target/i386/bt-mask-3.c b/gcc/testsuite/gcc.target/i386/bt-mask-3.c
deleted file mode 100644 (file)
index bf3a404..0000000
--- a/gcc/testsuite/gcc.target/i386/bt-mask-3.c
+++ /dev/null
@@ -1,12 +0,0 @@
-/* { dg-do compile } */
-/* { dg-options "-O2 -mtune=core2" } */
-/* { dg-additional-options "-mregparm=2" { target ia32 } } */
-
-int test (unsigned x, unsigned n)
-{
-  n &= 0x1f;
-
-  return !(x & (0x01 << n));
-}
-
-/* { dg-final { scan-assembler-not "and\[lq\]\[ \t\]" } } */

diff --git a/gcc/testsuite/gcc.target/i386/bt-mask-4.c b/gcc/testsuite/gcc.target/i386/bt-mask-4.c
deleted file mode 100644 (file)
index 8198646..0000000
--- a/gcc/testsuite/gcc.target/i386/bt-mask-4.c
+++ /dev/null
@@ -1,12 +0,0 @@
-/* { dg-do compile } */
-/* { dg-options "-O2 -mtune=core2" } */
-/* { dg-additional-options "-mregparm=2" { target ia32 } } */
-
-int test (unsigned long x, unsigned long n)
-{
-  n &= 0x3f;
-
-  return !(x & ((long)0x01 << n));
-}
-
-/* { dg-final { scan-assembler-not "and\[lq\]\[ \t\]" } } */