generic.texi (ANNOTATE_EXPR): Document 3rd operand.

[thirdparty/gcc.git] / gcc / cfgloop.h

diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h
index 0b164e97b1f08e8689cfff9fde2cea274b2eb754..be2ba8cf1a16fc92235fa99e784c0c66e58d022a 100644 (file)
--- a/gcc/cfgloop.h
+++ b/gcc/cfgloop.h
@@ -221,6 +221,11 @@ struct GTY ((chain_next ("%h.next"))) loop {
   /* True if the loop is part of an oacc kernels region.  */
   unsigned in_oacc_kernels_region : 1;
 
+  /* The number of times to unroll the loop.  0, means no information
+     given, just do what we always do.  A value of 1, means don't unroll
+     the loop.  */
+  unsigned short unroll;
+
   /* For SIMD loops, this is a unique identifier of the loop, referenced
      by IFN_GOMP_SIMD_VF, IFN_GOMP_SIMD_LANE and IFN_GOMP_SIMD_LAST_LANE
      builtins.  */