https://gcc.gnu.org/g:0a4490a1ad3f73d546f53d0940dbc9f217d12922
commit r15-5947-g0a4490a1ad3f73d546f53d0940dbc9f217d12922
Author: Richard Sandiford <richard.sandif...@arm.com>
Date: Thu Dec 5 15:33:10 2024 +0000
aarch64: Reintroduce FLAG_AUTO_FP
The flag now known as FLAG_QUIET is an odd-one-out in that it
removes side-effects rather than adding them. This patch inverts
it and gives it the old name FLAG_AUTO_FP. FLAG_QUIET now means
"no flags" instead.
gcc/
* config/aarch64/aarch64-builtins.cc (FLAG_QUIET): Redefine to 0,
replacing the old flag with...
(FLAG_AUTO_FP): ...this.
(FLAG_DEFAULT): Redefine to FLAG_AUTO_FP.
(aarch64_call_properties): Update accordingly.
Diff:
---
gcc/config/aarch64/aarch64-builtins.cc | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/gcc/config/aarch64/aarch64-builtins.cc
b/gcc/config/aarch64/aarch64-builtins.cc
index eb44580bd9cb..f528592a17d8 100644
--- a/gcc/config/aarch64/aarch64-builtins.cc
+++ b/gcc/config/aarch64/aarch64-builtins.cc
@@ -193,22 +193,23 @@ using namespace aarch64;
#define SIMD_MAX_BUILTIN_ARGS 5
/* Flags that describe what a function might do. */
-const unsigned int FLAG_DEFAULT = 0U;
const unsigned int FLAG_READ_FPCR = 1U << 0;
const unsigned int FLAG_RAISE_FP_EXCEPTIONS = 1U << 1;
const unsigned int FLAG_READ_MEMORY = 1U << 2;
const unsigned int FLAG_PREFETCH_MEMORY = 1U << 3;
const unsigned int FLAG_WRITE_MEMORY = 1U << 4;
-/* Not all FP intrinsics raise FP exceptions or read FPCR register,
- use this flag to suppress it. */
-const unsigned int FLAG_QUIET = 1U << 5;
+/* Indicates that READ_FPCR and RAISE_FP_EXCEPTIONS should be set for
+ floating-point modes but not for integer modes. */
+const unsigned int FLAG_AUTO_FP = 1U << 5;
+const unsigned int FLAG_QUIET = 0;
+const unsigned int FLAG_DEFAULT = FLAG_AUTO_FP;
const unsigned int FLAG_FP = FLAG_READ_FPCR | FLAG_RAISE_FP_EXCEPTIONS;
const unsigned int FLAG_ALL = FLAG_READ_FPCR | FLAG_RAISE_FP_EXCEPTIONS
| FLAG_READ_MEMORY | FLAG_PREFETCH_MEMORY | FLAG_WRITE_MEMORY;
-const unsigned int FLAG_STORE = FLAG_WRITE_MEMORY | FLAG_QUIET;
-const unsigned int FLAG_LOAD = FLAG_READ_MEMORY | FLAG_QUIET;
+const unsigned int FLAG_STORE = FLAG_WRITE_MEMORY;
+const unsigned int FLAG_LOAD = FLAG_READ_MEMORY;
typedef struct
{
@@ -1322,7 +1323,7 @@ aarch64_init_simd_builtin_scalar_types (void)
static unsigned int
aarch64_call_properties (unsigned int flags, machine_mode mode)
{
- if (!(flags & FLAG_QUIET) && FLOAT_MODE_P (mode))
+ if ((flags & FLAG_AUTO_FP) && FLOAT_MODE_P (mode))
flags |= FLAG_FP;
/* -fno-trapping-math means that we can assume any FP exceptions
