Mercurial > hg > CbC > CbC_gcc
view 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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/* 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; }