diff options
| author | Marcus Shawcroft <marcus.shawcroft@arm.com> | 2012-12-04 15:58:39 +0000 |
|---|---|---|
| committer | Marcus Shawcroft <marcus.shawcroft@arm.com> | 2012-12-04 15:58:39 +0000 |
| commit | 2137161d8ee9215863e30482ee6686ae6b3e0b06 (patch) | |
| tree | 11ea03c0c0a81825960d3fbf4664cdcebce4edd7 /libgcc | |
| parent | c8661fed932d6fa3ed9c52d0bf7113ac5210294c (diff) | |
AArch64-4.7: Backport implement FP_TRAPPING_EXCEPTIONS.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/ARM/aarch64-4.7-branch@194154 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/ChangeLog.aarch64 | 6 | ||||
| -rw-r--r-- | libgcc/config/aarch64/sfp-machine.h | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/libgcc/ChangeLog.aarch64 b/libgcc/ChangeLog.aarch64 index 3f48587a728..53d718bf811 100644 --- a/libgcc/ChangeLog.aarch64 +++ b/libgcc/ChangeLog.aarch64 @@ -1,3 +1,9 @@ +2012-12-04 Marcus Shawcroft <marcus.shawcroft@arm.com> + + * config/aarch64/sfp-machine.h (FP_EX_ALL): Define. + (FP_EX_SHIFT): Define. + (FP_TRAPPING_EXCEPTIONS): Define. + 2012-11-15 Marcus Shawcroft <marcus.shawcroft@arm.com> * soft-fp: Updated from glibc upstream. diff --git a/libgcc/config/aarch64/sfp-machine.h b/libgcc/config/aarch64/sfp-machine.h index 6c56a92c4f1..52b6fb2c446 100644 --- a/libgcc/config/aarch64/sfp-machine.h +++ b/libgcc/config/aarch64/sfp-machine.h @@ -69,6 +69,10 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); #define FP_EX_OVERFLOW 0x04 #define FP_EX_UNDERFLOW 0x08 #define FP_EX_INEXACT 0x10 +#define FP_EX_SHIFT 8 +#define FP_EX_ALL \ + (FP_EX_INVALID | FP_EX_DIVZERO | FP_EX_OVERFLOW | FP_EX_UNDERFLOW \ + | FP_EX_INEXACT) void __sfp_handle_exceptions (int); @@ -78,6 +82,8 @@ void __sfp_handle_exceptions (int); __sfp_handle_exceptions (_fex); \ } while (0); +#define FP_TRAPPING_EXCEPTIONS ((_fpcr >> FP_EX_SHIFT) & FP_EX_ALL) + #define FP_RND_NEAREST 0x000000 #define FP_RND_PINF 0x400000 #define FP_RND_MINF 0x800000 |