Fix PR target/38571

From-SVN: r147000

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a17306fdd3a6554dd46e2e40caa9e6f7404a4236..ec683ac4ce1e9c209e9fecb4ab6ef4dbb89c213c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
+
+       PR target/38571
+       * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
+       when optimizing for size.
+
 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
 
        * gcse.c (gcse_constant_p): Fix typo in last change.

diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
index 93d75bb74a367bc83328dcee4cbddde5a9695175..8d97864861e160a65bdb5ab2401baac3f9fa2893 100644 (file)
--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -537,7 +537,7 @@ extern int arm_arch_hwdiv;
 #define PREFERRED_STACK_BOUNDARY \
     (arm_abi == ARM_ABI_ATPCS ? 64 : STACK_BOUNDARY)
 
-#define FUNCTION_BOUNDARY  32
+#define FUNCTION_BOUNDARY  ((TARGET_THUMB && optimize_size) ? 16 : 32)
 
 /* The lowest bit is used to indicate Thumb-mode functions, so the
    vbit must go into the delta field of pointers to member