Tested for avr with --target_board=atmega128-sim and native on
i686-pc-linuc-gnu.
2013-07-05 Joern Rennecke <joern.renne...@embecosm.com>
* gcc.dg/strlenopt-10.c [avr*-*-*]: Reduce number of expected
memcpy by one.
* gcc.dg/strlenopt-11.c [avr*-*-*]: Likewise.
Expect l to be optimized away.
* gcc.dg/strlenopt-13.c [avr*-*-*]: Likewise.
Index: gcc.dg/strlenopt-10.c
===================================================================
--- gcc.dg/strlenopt-10.c (revision 201032)
+++ gcc.dg/strlenopt-10.c (working copy)
@@ -70,7 +70,10 @@ main ()
}
/* { dg-final { scan-tree-dump-times "strlen \\(" 2 "strlen" } } */
-/* { dg-final { scan-tree-dump-times "memcpy \\(" 8 "strlen" } } */
+/* avr has BIGGEST_ALIGNMENT 8, allowing fold_builtin_memory_op
+ to expand the memcpy call at the end of fn2. */
+/* { dg-final { scan-tree-dump-times "memcpy \\(" 8 "strlen" { target { !
avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times "memcpy \\(" 7 "strlen" { target {
avr*-*-* } } } } */
/* { dg-final { scan-tree-dump-times "strcpy \\(" 0 "strlen" } } */
/* { dg-final { scan-tree-dump-times "strcat \\(" 0 "strlen" } } */
/* { dg-final { scan-tree-dump-times "strchr \\(" 0 "strlen" } } */
Index: gcc.dg/strlenopt-11.c
===================================================================
--- gcc.dg/strlenopt-11.c (revision 201032)
+++ gcc.dg/strlenopt-11.c (working copy)
@@ -59,12 +59,18 @@ main ()
}
/* { dg-final { scan-tree-dump-times "strlen \\(" 3 "strlen" } } */
-/* { dg-final { scan-tree-dump-times "memcpy \\(" 7 "strlen" } } */
+/* avr has BIGGEST_ALIGNMENT 8, allowing fold_builtin_memory_op
+ to expand the memcpy call at the end of fn1. */
+/* { dg-final { scan-tree-dump-times "memcpy \\(" 7 "strlen" { target { !
avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times "memcpy \\(" 6 "strlen" { target {
avr*-*-* } } } } */
/* { dg-final { scan-tree-dump-times "strcpy \\(" 0 "strlen" } } */
/* { dg-final { scan-tree-dump-times "strcat \\(" 0 "strlen" } } */
/* { dg-final { scan-tree-dump-times "strchr \\(" 0 "strlen" } } */
/* { dg-final { scan-tree-dump-times "stpcpy \\(" 0 "strlen" } } */
-/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.0. = " 1 "strlen" } } */
-/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.6. = " 1 "strlen" } } */
-/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.9. = " 1 "strlen" } } */
+/* Where the memcpy is expanded, the assignemts to elements of l are
+ propagated. */
+/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.0. = " 1 "strlen" { target { ! avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.6. = " 1 "strlen" { target { ! avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.9. = " 1 "strlen" { target { ! avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen \\(\[^\n\r\]*;" 3
"strlen" { target { avr*-*-* } } } } */
/* { dg-final { cleanup-tree-dump "strlen" } } */
Index: gcc.dg/strlenopt-13.c
===================================================================
--- gcc.dg/strlenopt-13.c (revision 201032)
+++ gcc.dg/strlenopt-13.c (working copy)
@@ -56,13 +56,19 @@ main ()
}
/* { dg-final { scan-tree-dump-times "strlen \\(" 4 "strlen" } } */
-/* { dg-final { scan-tree-dump-times "memcpy \\(" 7 "strlen" } } */
+/* avr has BIGGEST_ALIGNMENT 8, allowing fold_builtin_memory_op
+ to expand the memcpy call at the end of fn1. */
+/* { dg-final { scan-tree-dump-times "memcpy \\(" 7 "strlen" { target { !
avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times "memcpy \\(" 6 "strlen" { target {
avr*-*-* } } } } */
/* { dg-final { scan-tree-dump-times "strcpy \\(" 0 "strlen" } } */
/* { dg-final { scan-tree-dump-times "strcat \\(" 0 "strlen" } } */
/* { dg-final { scan-tree-dump-times "strchr \\(" 0 "strlen" } } */
/* { dg-final { scan-tree-dump-times "stpcpy \\(" 0 "strlen" } } */
-/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.0. = " 1 "strlen" } } */
-/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.1. = " 1 "strlen" } } */
-/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.5. = " 1 "strlen" } } */
-/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.6. = " 1 "strlen" } } */
+/* Where the memcpy is expanded, the assignemts to elements of l are
+ propagated. */
+/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.0. = " 1 "strlen" { target { ! avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.1. = " 1 "strlen" { target { ! avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.5. = " 1 "strlen" { target { ! avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen
\\(\[^\n\r\]*;\[\n\r\]* l.6. = " 1 "strlen" { target { ! avr*-*-* } } } } */
+/* { dg-final { scan-tree-dump-times " _\[0-9\]* = strlen \\(\[^\n\r\]*;" 4
"strlen" { target { avr*-*-* } } } } */
/* { dg-final { cleanup-tree-dump "strlen" } } */
