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* [PATCH] [AArch32] Additional bics patterns.
@ 2015-04-22 13:13 Alex Velenko
  2015-04-22 13:27 ` Kyrill Tkachov
  0 siblings, 1 reply; 8+ messages in thread
From: Alex Velenko @ 2015-04-22 13:13 UTC (permalink / raw)
  To: gcc-patches; +Cc: ramana.radhakrishnan

Hi,

This patch adds arm rtl patterns to generate bics instructions with shift.

Done full regression run on arm-none-eabi.

Is patch ok?

gcc/config

2015-04-22  Alex Velenko  <Alex.Velenko@arm.com>

  * arm/arm.md (andsi_not_shiftsi_si_scc): New pattern.
  * (andsi_not_shiftsi_si_scc_no_reuse): New pattern.

gcc/testsuite

2015-04-22  Alex Velenko <Alex.Velenko@arm.com>

  * gcc.target/arm/bics_1.c : New testcase.
  * gcc.target/arm/bics_2.c : New testcase.
  * gcc.target/arm/bics_3.c : New testcase.
  * gcc.target/arm/bics_4.c : New testcase.
---
 gcc/config/arm/arm.md                 | 42 ++++++++++++++++++++++++++
 gcc/testsuite/gcc.target/arm/bics_1.c | 54 +++++++++++++++++++++++++++++++++
 gcc/testsuite/gcc.target/arm/bics_2.c | 57 +++++++++++++++++++++++++++++++++++
 gcc/testsuite/gcc.target/arm/bics_3.c | 41 +++++++++++++++++++++++++
 gcc/testsuite/gcc.target/arm/bics_4.c | 49 ++++++++++++++++++++++++++++++
 5 files changed, 243 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/arm/bics_1.c
 create mode 100644 gcc/testsuite/gcc.target/arm/bics_2.c
 create mode 100644 gcc/testsuite/gcc.target/arm/bics_3.c
 create mode 100644 gcc/testsuite/gcc.target/arm/bics_4.c

diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index 164ac13..51a149e 100644
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -2768,6 +2768,48 @@
 		      (const_string "logic_shift_reg")))]
 )
 
+(define_insn "andsi_not_shiftsi_si_scc_no_reuse"
+  [(set (reg:CC_NOOV CC_REGNUM)
+	(compare:CC_NOOV
+		(and:SI (not:SI (match_operator:SI 0 "shift_operator"
+			[(match_operand:SI 1 "s_register_operand" "r")
+			 (match_operand:SI 2 "arm_rhs_operand" "rM")]))
+			(match_operand:SI 3 "s_register_operand" "r"))
+		(const_int 0)))
+   (clobber (match_scratch:SI 4 "=r"))]
+  "TARGET_32BIT"
+  "bic%.%?\\t%4, %3, %1%S0"
+  [(set_attr "predicable" "yes")
+   (set_attr "conds" "set")
+   (set_attr "shift" "1")
+   (set (attr "type") (if_then_else (match_operand 2 "const_int_operand" "")
+		      (const_string "logic_shift_imm")
+		      (const_string "logic_shift_reg")))]
+)
+
+(define_insn "andsi_not_shiftsi_si_scc"
+  [(parallel [(set (reg:CC_NOOV CC_REGNUM)
+	(compare:CC_NOOV
+		(and:SI (not:SI (match_operator:SI 0 "shift_operator"
+			[(match_operand:SI 1 "s_register_operand" "r")
+			 (match_operand:SI 2 "arm_rhs_operand" "rM")]))
+			(match_operand:SI 3 "s_register_operand" "r"))
+		(const_int 0)))
+	(set (match_operand:SI 4 "s_register_operand" "=r")
+	     (and:SI (not:SI (match_op_dup 0
+		     [(match_dup 1)
+		      (match_dup 2)]))
+		     (match_dup 3)))])]
+  "TARGET_32BIT"
+  "bic%.%?\\t%4, %3, %1%S0"
+  [(set_attr "predicable" "yes")
+   (set_attr "conds" "set")
+   (set_attr "shift" "1")
+   (set (attr "type") (if_then_else (match_operand 2 "const_int_operand" "")
+		      (const_string "logic_shift_imm")
+		      (const_string "logic_shift_reg")))]
+)
+
 (define_insn "*andsi_notsi_si_compare0"
   [(set (reg:CC_NOOV CC_REGNUM)
 	(compare:CC_NOOV
diff --git a/gcc/testsuite/gcc.target/arm/bics_1.c b/gcc/testsuite/gcc.target/arm/bics_1.c
new file mode 100644
index 0000000..173eb89
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/bics_1.c
@@ -0,0 +1,54 @@
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+/* { dg-require-effective-target arm32 } */
+
+extern void abort (void);
+
+int
+bics_si_test1 (int a, int b, int c)
+{
+  int d = a & ~b;
+
+  /* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 2 } } */
+  if (d == 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+int
+bics_si_test2 (int a, int b, int c)
+{
+  int d = a & ~(b << 3);
+
+  /* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+, .sl \#3" 1 } } */
+  if (d == 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+int
+main ()
+{
+  int x;
+
+  x = bics_si_test1 (29, ~4, 5);
+  if (x != ((29 & 4) + ~4 + 5))
+    abort ();
+
+  x = bics_si_test1 (5, ~2, 20);
+  if (x != 25)
+    abort ();
+
+    x = bics_si_test2 (35, ~4, 5);
+  if (x != ((35 & ~(~4 << 3)) + ~4 + 5))
+    abort ();
+
+  x = bics_si_test2 (96, ~2, 20);
+  if (x != 116)
+  abort ();
+
+  return 0;
+}
+/* { dg-final { cleanup-saved-temps } } */
diff --git a/gcc/testsuite/gcc.target/arm/bics_2.c b/gcc/testsuite/gcc.target/arm/bics_2.c
new file mode 100644
index 0000000..740d7c9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/bics_2.c
@@ -0,0 +1,57 @@
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+/* { dg-require-effective-target arm32 } */
+
+extern void abort (void);
+
+int
+bics_si_test1 (int a, int b, int c)
+{
+  int d = a & ~b;
+
+  /* { dg-final { scan-assembler-not "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" } } */
+  /* { dg-final { scan-assembler-times "bic\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 2 } } */
+  if (d <= 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+int
+bics_si_test2 (int a, int b, int c)
+{
+  int d = a & ~(b << 3);
+
+  /* { dg-final { scan-assembler-not "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+, .sl \#3" } } */
+  /* { dg-final { scan-assembler "bic\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+, .sl \#3" } } */
+  if (d <= 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+int
+main ()
+{
+  int x;
+
+  x = bics_si_test1 (29, ~4, 5);
+  if (x != ((29 & 4) + ~4 + 5))
+    abort ();
+
+  x = bics_si_test1 (5, ~2, 20);
+  if (x != 25)
+    abort ();
+
+  x = bics_si_test2 (35, ~4, 5);
+  if (x != ((35 & ~(~4 << 3)) + ~4 + 5))
+    abort ();
+
+  x = bics_si_test2 (96, ~2, 20);
+  if (x != 116)
+    abort ();
+
+  return 0;
+}
+
+/* { dg-final { cleanup-saved-temps } } */
diff --git a/gcc/testsuite/gcc.target/arm/bics_3.c b/gcc/testsuite/gcc.target/arm/bics_3.c
new file mode 100644
index 0000000..e2b1c72
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/bics_3.c
@@ -0,0 +1,41 @@
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+/* { dg-require-effective-target arm32 } */
+
+extern void abort (void);
+
+int
+bics_si_test (int a, int b)
+{
+  if (a & ~b)
+    return 1;
+  else
+    return 0;
+}
+
+int
+bics_si_test2 (int a, int b)
+{
+  if (a & ~ (b << 2))
+    return 1;
+  else
+    return 0;
+}
+
+int
+main (void)
+{
+  int a = 5;
+  int b = 5;
+  int c = 20;
+  if (bics_si_test (a, b))
+    abort ();
+  if (bics_si_test2 (c, b))
+    abort ();
+  return 0;
+}
+
+/* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 2 } } */
+/* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+, .sl #2" 1 } } */
+
+/* { dg-final { cleanup-saved-temps } } */
diff --git a/gcc/testsuite/gcc.target/arm/bics_4.c b/gcc/testsuite/gcc.target/arm/bics_4.c
new file mode 100644
index 0000000..8f2faf0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/bics_4.c
@@ -0,0 +1,49 @@
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+/* { dg-require-effective-target arm32 } */
+
+extern void abort (void);
+
+int
+bics_si_test1 (int a, int b, int c)
+{
+  if ((a & b) == a)
+    return a;
+  else
+    return c;
+}
+
+int
+bics_si_test2 (int a, int b, int c)
+{
+  if ((a & b) == b)
+    return b;
+  else
+    return c;
+}
+
+int
+main ()
+{
+  int x;
+  x = bics_si_test1 (0xf00d, 0xf11f, 0);
+  if (x != 0xf00d)
+    abort ();
+
+  x = bics_si_test1 (0xf11f, 0xf00d, 0);
+  if (x != 0)
+    abort ();
+
+  x = bics_si_test2 (0xf00d, 0xf11f, 0);
+  if (x != 0)
+    abort ();
+
+  x = bics_si_test2 (0xf11f, 0xf00d, 0);
+  if (x != 0xf00d)
+    abort ();
+
+  return 0;
+}
+
+/* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 2 } } */
+/* { dg-final { cleanup-saved-temps } } */
-- 
1.8.1.2

^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2015-05-18 14:42 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-04-22 13:13 [PATCH] [AArch32] Additional bics patterns Alex Velenko
2015-04-22 13:27 ` Kyrill Tkachov
2015-04-24 15:41   ` Alex Velenko
2015-04-27 14:02     ` Alex Velenko
2015-05-01  9:28     ` Kyrill Tkachov
2015-05-15 17:59       ` Alex Velenko
2015-05-18  8:31         ` Kyrill Tkachov
2015-05-18 14:46           ` Alex Velenko

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