gcc/gcc/testsuite/gcc.dg/tree-ssa/pr23455.c - Issue 3050029: [gcc] GCC 4.5.0=>4.5.1

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Side by Side Diff: gcc/gcc/testsuite/gcc.dg/tree-ssa/pr23455.c

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git

Patch Set: Created 10 years, 4 months ago

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1 /* { dg-do compile } */	1 /* { dg-do compile } */

2 /* { dg-options "-O2 -fdump-tree-pre-stats" } */	2 /* { dg-options "-O2 -fdump-tree-pre-stats" } */

3 unsigned long outcnt;	3 unsigned long outcnt;

4 extern void flush_outbuf(void);	4 extern void flush_outbuf(void);

5	5

6 void	6 void

7 bi_windup(unsigned int *outbuf, unsigned int bi_buf)	7 bi_windup(unsigned int *outbuf, unsigned int bi_buf)

8 {	8 {

9 unsigned long t1 = outcnt;	9 unsigned long t1 = outcnt;

10 outbuf[t1] = bi_buf;	10 outbuf[t1] = bi_buf;

11	11

12 unsigned long t2 = outcnt;	12 unsigned long t2 = outcnt;

13 if (t2 == 16384)	13 if (t2 == 16384)

14 flush_outbuf();	14 flush_outbuf();

15	15

16 unsigned long t3 = outcnt;	16 unsigned long t3 = outcnt;

17 outbuf[t3] = bi_buf;	17 outbuf[t3] = bi_buf;

18 }	18 }

19 /* We should eliminate one load of outcnt, which will in turn let us eliminate	19 /* We should eliminate one load of outcnt, which will in turn let us eliminate

20 one multiply of outcnt which will in turn let us eliminate	20 one multiply of outcnt which will in turn let us eliminate

21 one add involving outcnt and outbuf. */	21 one add involving outcnt and outbuf. */

22 /* { dg-final { scan-tree-dump-times "Eliminated: 3" 1 "pre"} } */	22 /* { dg-final { scan-tree-dump-times "Eliminated: 3" 1 "pre" {target { ! avr-- } } } } */

	23 /* { dg-final { scan-tree-dump-times "Eliminated: 4" 1 "pre" {target { avr-- } } } } */

23 /* { dg-final { cleanup-tree-dump "pre" } } */	24 /* { dg-final { cleanup-tree-dump "pre" } } */

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