Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/guality/sra-1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/guality/sra-1.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,56 @@ +/* PR debug/43983 */ +/* { dg-do run } */ +/* { dg-options "-g" } */ + +struct A { int i; int j; }; +struct B { int : 4; int i : 12; int j : 12; int : 4; }; + +__attribute__((noinline)) void +bar (int x) +{ + asm volatile ("" : : "r" (x) : "memory"); +} + +__attribute__((noinline)) int +f1 (int k) +{ + struct A a = { 4, k + 6 }; + asm ("" : "+r" (a.i)); + a.j++; + bar (a.i); /* { dg-final { gdb-test 21 "a.i" "4" } } */ + bar (a.j); /* { dg-final { gdb-test 21 "a.j" "14" } } */ + return a.i + a.j; +} + +__attribute__((noinline)) int +f2 (int k) +{ + int a[2] = { 4, k + 6 }; + asm ("" : "+r" (a[0])); + a[1]++; + bar (a[0]); /* { dg-final { gdb-test 32 "a\[0\]" "4" } } */ + bar (a[1]); /* { dg-final { gdb-test 32 "a\[1\]" "14" } } */ + return a[0] + a[1]; +} + +__attribute__((noinline)) int +f3 (int k) +{ + struct B a = { 4, k + 6 }; + asm ("" : "+r" (a.i)); + a.j++; + bar (a.i); /* { dg-final { gdb-test 43 "a.i" "4" } } */ + bar (a.j); /* { dg-final { gdb-test 43 "a.j" "14" } } */ + return a.i + a.j; +} + +int +main (void) +{ + int k; + asm ("" : "=r" (k) : "0" (7)); + f1 (k); + f2 (k); + f3 (k); + return 0; +}