From: Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Date: Wed, 23 Dec 2009 16:29:12 +0000 (+0000)
Subject: Pass floating point constant moves to integer registers
X-Git-Tag: releases/gcc-4.5.0~1532
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=07422036e30a34fa3fba20c6b6a7534bcd509e1c;p=thirdparty%2Fgcc.git

Pass floating point constant moves to integer registers
as mov immediates for Thumb1.


2009-12-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/40670
        * config/arm/arm.md: Split for Thumb1 as well.

        * gcc.target/arm/pr40670.c: New test.

From-SVN: r155427
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3b14a383defe..c22b10f6f6d9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-12-23  Ramana Radhakrishnan  <ramrad01@arm.com>
+
+	PR target/40670
+	* config/arm/arm.md: Split for Thumb1 as well.
+
 2009-12-22  Cary Coutant  <ccoutant@google.com>
 
 	PR debug/42454
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index 367b00d70a65..e79ef15fa7d5 100644
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -6073,7 +6073,7 @@
 (define_split
   [(set (match_operand:SF 0 "arm_general_register_operand" "")
 	(match_operand:SF 1 "immediate_operand" ""))]
-  "TARGET_32BIT
+  "TARGET_EITHER
    && reload_completed
    && GET_CODE (operands[1]) == CONST_DOUBLE"
   [(set (match_dup 2) (match_dup 3))]
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index afb5a9f1b27e..b57175720772 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-12-23  Ramana Radhakrishnan  <ramrad01@arm.com>
+
+	PR target/40670
+	* gcc.target/arm/pr40670.c: New test.
+	
 2009-12-23  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.target/alpha/20000715-1.c: Remove target selector.
diff --git a/gcc/testsuite/gcc.target/arm/pr40670.c b/gcc/testsuite/gcc.target/arm/pr40670.c
new file mode 100644
index 000000000000..24786385d7e9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/pr40670.c
@@ -0,0 +1,8 @@
+/* { dg-options "-mthumb -O2" }  */
+/* { dg-require-effective-target arm_thumb1_ok } */
+/* { dg-final { scan-assembler-not "ldr" } } */
+
+float foo (void)
+{
+  return 2.0;
+}