From 2632371c0054ea57184b06042e6f80ff4443b5f7 Mon Sep 17 00:00:00 2001 From: Sandra Loosemore Date: Thu, 7 Dec 2017 23:26:12 -0500 Subject: [PATCH] const-addr-1.c: New. 2017-12-07 Sandra Loosemore gcc/testsuite/ * gcc.target/nios2/const-addr-1.c: New. * gcc.target/nios2/const-addr-2.c: New. * gcc.target/nios2/const-addr-3.c: New. From-SVN: r255494 --- gcc/testsuite/ChangeLog | 6 ++++++ gcc/testsuite/gcc.target/nios2/const-addr-1.c | 19 +++++++++++++++++++ gcc/testsuite/gcc.target/nios2/const-addr-2.c | 18 ++++++++++++++++++ gcc/testsuite/gcc.target/nios2/const-addr-3.c | 20 ++++++++++++++++++++ 4 files changed, 63 insertions(+) create mode 100644 gcc/testsuite/gcc.target/nios2/const-addr-1.c create mode 100644 gcc/testsuite/gcc.target/nios2/const-addr-2.c create mode 100644 gcc/testsuite/gcc.target/nios2/const-addr-3.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 564a301..9d4f1c8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2017-12-07 Sandra Loosemore + + * gcc.target/nios2/const-addr-1.c: New. + * gcc.target/nios2/const-addr-2.c: New. + * gcc.target/nios2/const-addr-3.c: New. + 2017-12-08 Jakub Jelinek PR target/83252 diff --git a/gcc/testsuite/gcc.target/nios2/const-addr-1.c b/gcc/testsuite/gcc.target/nios2/const-addr-1.c new file mode 100644 index 0000000..3a25df4 --- /dev/null +++ b/gcc/testsuite/gcc.target/nios2/const-addr-1.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ +/* { dg-final { scan-assembler-times "stw\tr., 12816\\(r\[2-9\]\\)" 1 } } */ +/* { dg-final { scan-assembler-times "stw\tr., 12816\\(r0\\)" 1 } } */ +/* { dg-final { scan-assembler-times "stw\tr., 528\\(r0\\)" 1 } } */ + +/* These functions should not spill to stack. */ +/* { dg-final { scan-assembler-not "addi\tsp, sp" } } */ +/* { dg-final { scan-assembler-not "spdeci" } } */ + +#define addr1 ((volatile int *) 0x43210) +#define addr2 ((volatile int *) 0x3210) +#define addr3 ((volatile int *) 0x210) + +#define SET(l,r) (*(l) = (r)) + +void foo1 (int x) { SET (addr1, x); } +void foo2 (int x) { SET (addr2, x); } +void foo3 (int x) { SET (addr3, x); } diff --git a/gcc/testsuite/gcc.target/nios2/const-addr-2.c b/gcc/testsuite/gcc.target/nios2/const-addr-2.c new file mode 100644 index 0000000..da78ce8 --- /dev/null +++ b/gcc/testsuite/gcc.target/nios2/const-addr-2.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-options "-march=r1 -mno-cdx -mno-bmx -O2" } */ +/* { dg-final { scan-assembler-times "stwio\tr., 12816\\(r\[2-9\]\\)" 1 } } */ +/* { dg-final { scan-assembler-times "stwio\tr., 12816\\(r0\\)" 1 } } */ +/* { dg-final { scan-assembler-times "stwio\tr., 528\\(r0\\)" 1 } } */ + +/* These functions should not spill to stack. */ +/* { dg-final { scan-assembler-not "addi\tsp, sp" } } */ + +#define addr1 ((volatile int *) 0x43210) +#define addr2 ((volatile int *) 0x3210) +#define addr3 ((volatile int *) 0x210) + +#define SET(l,r) __builtin_stwio ((l), (r)) + +void foo1 (int x) { SET (addr1, x); } +void foo2 (int x) { SET (addr2, x); } +void foo3 (int x) { SET (addr3, x); } diff --git a/gcc/testsuite/gcc.target/nios2/const-addr-3.c b/gcc/testsuite/gcc.target/nios2/const-addr-3.c new file mode 100644 index 0000000..73b25e7 --- /dev/null +++ b/gcc/testsuite/gcc.target/nios2/const-addr-3.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-march=r2 -mno-cdx -mno-bmx -O2" } */ +/* { dg-final { scan-assembler-times "stwio\tr., 0\\(r" 2 } } */ +/* { dg-final { scan-assembler-times "stwio\tr., 528\\(r0\\)" 1 } } */ + +/* These functions should not spill to stack. */ +/* { dg-final { scan-assembler-not "addi\tsp, sp" } } */ + +/* On R2, stwio takes only a 12-bit displacement so foo1 and foo2 need + to use register indirect addressing. */ + +#define addr1 ((volatile int *) 0x43210) +#define addr2 ((volatile int *) 0x3210) +#define addr3 ((volatile int *) 0x210) + +#define SET(l,r) __builtin_stwio ((l), (r)) + +void foo1 (int x) { SET (addr1, x); } +void foo2 (int x) { SET (addr2, x); } +void foo3 (int x) { SET (addr3, x); } -- 2.7.4