diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/aarch64/imm_choice_comparison.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/aarch64/imm_choice_comparison.c | 56 |
1 files changed, 52 insertions, 4 deletions
diff --git a/gcc/testsuite/gcc.target/aarch64/imm_choice_comparison.c b/gcc/testsuite/gcc.target/aarch64/imm_choice_comparison.c index ebc44d6dbc7..d52d592b107 100644 --- a/gcc/testsuite/gcc.target/aarch64/imm_choice_comparison.c +++ b/gcc/testsuite/gcc.target/aarch64/imm_choice_comparison.c @@ -1,32 +1,69 @@ /* { dg-do compile } */ /* { dg-options "-O2" } */ +/* { dg-final { check-function-bodies "**" "" } } */ /* Go from four moves to two. */ +/* +** foo: +** ... +** mov w[0-9]+, 2576980377 +** movk x[0-9]+, 0x9999, lsl 32 +** ... +*/ + int foo (long long x) { - return x <= 0x1999999999999998; + return x <= 0x0000999999999998; } +/* +** GT: +** ... +** mov w[0-9]+, -16777217 +** ... +*/ + int GT (unsigned int x) { return x > 0xfefffffe; } +/* +** LE: +** ... +** mov w[0-9]+, -16777217 +** ... +*/ + int LE (unsigned int x) { return x <= 0xfefffffe; } +/* +** GE: +** ... +** mov w[0-9]+, 4278190079 +** ... +*/ + int GE (long long x) { return x >= 0xff000000; } +/* +** LT: +** ... +** mov w[0-9]+, -16777217 +** ... +*/ + int LT (int x) { @@ -35,6 +72,13 @@ LT (int x) /* Optimize the immediate in conditionals. */ +/* +** check: +** ... +** mov w[0-9]+, -16777217 +** ... +*/ + int check (int x, int y) { @@ -44,11 +88,15 @@ check (int x, int y) return x; } +/* +** tern: +** ... +** mov w[0-9]+, -16777217 +** ... +*/ + int tern (int x) { return x >= 0xff000000 ? 5 : -3; } - -/* baz produces one movk instruction. */ -/* { dg-final { scan-assembler-times "movk" 1 } } */ |