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| author | Jan Hubicka <jh@suse.cz> | 2010-11-11 01:17:34 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2010-11-11 00:17:34 +0000 |
| commit | cd3c6bbca899b1b9da262a81ef21b80a6148922d (patch) | |
| tree | fe70c81bf139152172a664b7c73223b8cb3ba871 /gcc | |
| parent | 928bcefada039eb29722374a9484023e3a78285f (diff) | |
| download | gcc-cd3c6bbca899b1b9da262a81ef21b80a6148922d.zip gcc-cd3c6bbca899b1b9da262a81ef21b80a6148922d.tar.gz gcc-cd3c6bbca899b1b9da262a81ef21b80a6148922d.tar.bz2 | |
re PR c++/38699 (ICE using offsetof with pointer and array accesses)
PR tree-optimize/38669
* gcc.dg/tree-ssa/pr38699.c
From-SVN: r166579
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr38699.c | 76 |
2 files changed, 81 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3ee4e80..ea2341e 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2010-11-10 Jan Hubicka <jh@suse.cz> + PR tree-optimize/38669 + * gcc.dg/tree-ssa/pr38699.c + +2010-11-10 Jan Hubicka <jh@suse.cz> + * gcc.dg/tree-prof/inliner-1.c: Fix testcase. 2010-11-10 Jason Merrill <jason@redhat.com> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr38699.c b/gcc/testsuite/gcc.dg/tree-ssa/pr38699.c new file mode 100644 index 0000000..6845324 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr38699.c @@ -0,0 +1,76 @@ +/* { dg-do compile } */ +/* { dg-options "-Os -fdump-tree-optimized" } */ +/* + * License: GPL + * Copyright: (c) 2007 by Till Harbaum <till@harbaum.org> + * Copyright: (c) 2008 Wolfgang Moser, http://d81.de + */ + +/* #include <avr/wdt.h> */ +/* some declarations from the include above for ATMega8 */ +#define _SFR_IO8(io_addr) (*(volatile unsigned char *)((io_addr) + 0x20)) +#define TOV0 0 +#define TCNT0 _SFR_IO8(0x32) +#define TIFR _SFR_IO8(0x38) +#define DDRC _SFR_IO8(0x14) +#define DDRD _SFR_IO8(0x11) +#define PORTC _SFR_IO8(0x15) +#define PORTD _SFR_IO8(0x12) + +static void delay_wait_us( unsigned char timeout ) { + __asm__ __volatile__ ("wdr"); + + TCNT0 = timeout; + TIFR |= (1 << (TOV0)); + + /* wait until counter overflows */ + while(!(TIFR & (1 << (TOV0)))); +} + +static void delay_wait_us_ms( unsigned char timeout ) { + delay_wait_us( timeout * 1000 ); +} + + +void makeUseOfTimerWait( unsigned char val ) { + delay_wait_us( 10 ); + DDRC |= 0x10; + delay_wait_us( 10 ); + DDRD |= 0x20; + + delay_wait_us( 20 ); + PORTC &= ~0x10; + delay_wait_us( 10 ); + PORTD &= ~0x20; + + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + delay_wait_us_ms( 5 ); + + PORTC |= val & 0x10; + delay_wait_us( 10 ); + PORTD |= val & 0x20; + + delay_wait_us( 10 ); +} +/* We should not inline the delay loops. */ +/* { dg-final { scan-tree-dump "delay_wait_us" "optimized"} } */ +/* { dg-final { scan-tree-dump "delay_wait_us_ms" "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |