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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21171.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21171.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21171.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21171.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21171.c new file mode 100644 index 000000000..9f7278378 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21171.c @@ -0,0 +1,29 @@ +/* PR 21171. Ivopts should not rewrite references to volatile memory. */ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +typedef unsigned int u_int32_t; +typedef unsigned char u_int8_t; + +#define AIC_VECTORS 32 + +typedef volatile struct AT91RM9200_regs { + u_int32_t SVR[AIC_VECTORS]; +} AT91RM9200_regs_t; + +#define CPUReg ((AT91RM9200_regs_t*)0xFFF00000) + +extern const u_int32_t __IntTable[AIC_VECTORS]; + +int main() +{ + int c; + + for (c = 0; c < AIC_VECTORS; c++) + CPUReg->SVR[c] = __IntTable[c]; + + return 0; +} + +/* { dg-final { scan-tree-dump-times "SVR" 1 "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |