diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/fpomit-5.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/fpomit-5.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/fpomit-5.c b/gcc-4.9/gcc/testsuite/gcc.dg/fpomit-5.c new file mode 100644 index 0000000..7eba71e --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/fpomit-5.c @@ -0,0 +1,59 @@ +/* { dg-do compile { target i?86-*-* x86_64-*-* } } */ +/* { dg-options "-O2 -fno-omit-frame-pointer -fshrink-wrap-frame-pointer -fdump-rtl-ira-details-blocks" } */ +/* { dg-final { scan-assembler-times "lea\[^\n\r\]*bp" 1 } } */ +/* { dg-final { scan-rtl-dump "loop 1\[^\n\r\]*fp" "ira" } } */ +/* { dg-final { scan-rtl-dump-not "loop 2\[^\n\r\]*fp" "ira" } } */ +/* { dg-final { cleanup-rtl-dump "ira" } } */ + +/* Check loop1 should set fp_is_free and loop2 should not. */ +int a[1000], b[1000], cond1, cond2, x, y; +unsigned M, N; +extern void goo(); +int *p; + +void foo() { + int r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15; + unsigned i, j; + + for (i = 0; i < M; i++) { + r1 = a[1]; + r2 = a[2]; + r3 = a[3]; + r4 = a[4]; + r5 = a[5]; + r6 = a[6]; + r7 = a[7]; + r8 = a[8]; + r9 = a[9]; + r10 = a[10]; + r11 = a[11]; + r12 = a[12]; + r13 = a[13]; + r14 = a[14]; + r15 = a[15]; + *p = 3; + b[1] = r1; + b[2] = r2; + b[3] = r3; + b[4] = r4; + b[5] = r5; + b[6] = r6; + b[7] = r7; + b[8] = r8; + b[9] = r9; + b[10] = r10; + b[11] = r11; + b[12] = r12; + b[13] = r13; + b[14] = r14; + b[15] = r15; + + if (cond1) { + for (j = 0; j < N; j++) { + r2 = a[j]; + goo(); + b[j] = r2; + } + } + } +} |