diff options
Diffstat (limited to 'gcc/config/alpha/alpha.h')
| -rw-r--r-- | gcc/config/alpha/alpha.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h index 4c0053f4391..bf92842dafd 100644 --- a/gcc/config/alpha/alpha.h +++ b/gcc/config/alpha/alpha.h @@ -67,6 +67,8 @@ Boston, MA 02111-1307, USA. */ builtin_define ("_IEEE_FP"); \ if (TARGET_IEEE_WITH_INEXACT) \ builtin_define ("_IEEE_FP_INEXACT"); \ + if (TARGET_LONG_DOUBLE_128) \ + builtin_define ("__LONG_DOUBLE_128__"); \ \ /* Macros dependent on the C dialect. */ \ SUBTARGET_LANGUAGE_CPP_BUILTINS(); \ @@ -229,6 +231,11 @@ extern int alpha_tls_size; #define MASK_SMALL_TEXT (1 << 15) #define TARGET_SMALL_TEXT (target_flags & MASK_SMALL_TEXT) +/* This means use IEEE quad-format for long double. Assumes the + presence of the GEM support library routines. */ +#define MASK_LONG_DOUBLE_128 (1 << 16) +#define TARGET_LONG_DOUBLE_128 (target_flags & MASK_LONG_DOUBLE_128) + /* This means that the processor is an EV5, EV56, or PCA56. Unlike alpha_cpu this is not affected by -mtune= setting. */ #define MASK_CPU_EV5 (1 << 28) @@ -261,7 +268,7 @@ extern int alpha_tls_size; #define TARGET_CAN_FAULT_IN_PROLOGUE 0 #endif #ifndef TARGET_HAS_XFLOATING_LIBS -#define TARGET_HAS_XFLOATING_LIBS 0 +#define TARGET_HAS_XFLOATING_LIBS TARGET_LONG_DOUBLE_128 #endif #ifndef TARGET_PROFILING_NEEDS_GP #define TARGET_PROFILING_NEEDS_GP 0 @@ -322,6 +329,10 @@ extern int alpha_tls_size; {"large-text", -MASK_SMALL_TEXT, ""}, \ {"tls-kernel", MASK_TLS_KERNEL, \ N_("Emit rdval instead of rduniq for thread pointer")}, \ + {"long-double-128", MASK_LONG_DOUBLE_128, \ + N_("Use 128-bit long double")}, \ + {"long-double-64", -MASK_LONG_DOUBLE_128, \ + N_("Use 64-bit long double")}, \ {"", TARGET_DEFAULT | TARGET_CPU_DEFAULT \ | TARGET_DEFAULT_EXPLICIT_RELOCS, ""} } @@ -438,7 +449,18 @@ extern const char *alpha_tls_size_string; /* For -mtls-size= */ #define FLOAT_TYPE_SIZE 32 #define DOUBLE_TYPE_SIZE 64 -#define LONG_DOUBLE_TYPE_SIZE 64 +#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) + +/* Define this to set long double type size to use in libgcc2.c, which can + not depend on target_flags. */ +#ifdef __LONG_DOUBLE_128__ +#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 +#else +#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 +#endif + +/* Work around target_flags dependency in ada/targtyps.c. */ +#define WIDEST_HARDWARE_FP_SIZE 64 #define WCHAR_TYPE "unsigned int" #define WCHAR_TYPE_SIZE 32 |