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-rw-r--r--gnu/usr.bin/gcc/gcc/config/alpha/alpha.h36
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. */