diff options
Diffstat (limited to 'gnu/usr.bin')
-rw-r--r-- | gnu/usr.bin/gcc/gcc/config/alpha/alpha.h | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/gnu/usr.bin/gcc/gcc/config/alpha/alpha.h b/gnu/usr.bin/gcc/gcc/config/alpha/alpha.h index 6b52700e7e8..42e83d062b4 100644 --- a/gnu/usr.bin/gcc/gcc/config/alpha/alpha.h +++ b/gnu/usr.bin/gcc/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(); \ @@ -222,6 +224,11 @@ extern int alpha_tls_size; #define MASK_TLS_KERNEL (1 << 14) #define TARGET_TLS_KERNEL (target_flags & MASK_TLS_KERNEL) +/* 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) @@ -254,7 +261,7 @@ 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 @@ -287,6 +294,8 @@ extern int alpha_tls_size; N_("Request IEEE-conformant math library routines (OSF/1)")}, \ {"ieee", MASK_IEEE|MASK_IEEE_CONFORMANT, \ N_("Emit IEEE-conformant code, without inexact exceptions")}, \ + {"no-ieee", - (MASK_IEEE|MASK_IEEE_WITH_INEXACT|MASK_IEEE_CONFORMANT), \ + N_("Emit non-IEEE-conformant code")}, \ {"ieee-with-inexact", MASK_IEEE_WITH_INEXACT|MASK_IEEE_CONFORMANT, \ N_("Emit IEEE-conformant code, with inexact exceptions")}, \ {"build-constants", MASK_BUILD_CONSTANTS, \ @@ -312,6 +321,10 @@ extern int alpha_tls_size; N_("Emit 32-bit relocations to the small data areas")}, \ {"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, ""} } @@ -421,7 +434,18 @@ 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 @@ -482,7 +506,7 @@ extern const char *alpha_tls_size_string; /* For -mtls-size= */ #define PARM_BOUNDARY 64 /* Boundary (in *bits*) on which stack pointer should be aligned. */ -#define STACK_BOUNDARY 64 +#define STACK_BOUNDARY 128 /* Allocation boundary (in *bits*) for the code of a function. */ #define FUNCTION_BOUNDARY 32 @@ -620,12 +644,12 @@ extern const char *alpha_tls_size_string; /* For -mtls-size= */ /* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. On Alpha, the integer registers can hold any mode. The floating-point - registers can hold 32-bit and 64-bit integers as well, but not 16-bit - or 8-bit values. */ + registers can hold 64-bit integers as well, but not smaller values. */ #define HARD_REGNO_MODE_OK(REGNO, MODE) \ ((REGNO) >= 32 && (REGNO) <= 62 \ - ? GET_MODE_UNIT_SIZE (MODE) == 8 || GET_MODE_UNIT_SIZE (MODE) == 4 \ + ? (MODE) == SFmode || (MODE) == DFmode || (MODE) == DImode \ + || (MODE) == SCmode || (MODE) == DCmode \ : 1) /* Value is 1 if MODE is a supported vector mode. */ |