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authorClifford Wolf <clifford@clifford.at>2017-10-30 11:22:54 +0100
committerClifford Wolf <clifford@clifford.at>2017-10-30 11:22:54 +0100
commitdda7db273d9b897ef39a93d8ee69c8f202b5540b (patch)
treec00198491d39e47929c6292c742699816b01f206 /dhrystone
parent31588b871e0258f28a6daa5a34a6ad53ab11f267 (diff)
downloadpicorv32-dda7db273d9b897ef39a93d8ee69c8f202b5540b.tar.gz
picorv32-dda7db273d9b897ef39a93d8ee69c8f202b5540b.zip
Add missing "volatile" to "asm" statements
Diffstat (limited to 'dhrystone')
-rw-r--r--dhrystone/stdlib.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/dhrystone/stdlib.c b/dhrystone/stdlib.c
index 55150a7..f88023b 100644
--- a/dhrystone/stdlib.c
+++ b/dhrystone/stdlib.c
@@ -26,7 +26,7 @@ int heap_memory_used = 0;
long time()
{
int cycles;
- asm("rdcycle %0" : "=r"(cycles));
+ asm volatile ("rdcycle %0" : "=r"(cycles));
// printf("[time() -> %d]", cycles);
return cycles;
}
@@ -34,7 +34,7 @@ long time()
long insn()
{
int insns;
- asm("rdinstret %0" : "=r"(insns));
+ asm volatile ("rdinstret %0" : "=r"(insns));
// printf("[insn() -> %d]", insns);
return insns;
}
@@ -46,7 +46,7 @@ char *malloc(int size)
// printf("[malloc(%d) -> %d (%d..%d)]", size, (int)p, heap_memory_used, heap_memory_used + size);
heap_memory_used += size;
if (heap_memory_used > 1024)
- asm("ebreak");
+ asm volatile ("ebreak");
return p;
}