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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/arm/scd42-1.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/arm/scd42-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/arm/scd42-1.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/arm/scd42-1.c b/gcc-4.9/gcc/testsuite/gcc.target/arm/scd42-1.c
new file mode 100644
index 000000000..2cd1eeb8f
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/arm/scd42-1.c
@@ -0,0 +1,16 @@
+/* Verify that mov is preferred on XScale for loading a 1 byte constant. */
+/* { dg-do compile } */
+/* { dg-skip-if "incompatible options" { arm*-*-* } { "-march=*" } { "" } } */
+/* { dg-options "-mcpu=xscale -O" } */
+
+unsigned load1(void) __attribute__ ((naked));
+unsigned load1(void)
+{
+ /* Best code would be:
+ mov r0, =17
+ mov pc, lr */
+
+ return 17;
+}
+
+/* { dg-final { scan-assembler "mov\[ ].*17" } } */