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| author | Richard Sandiford <richard@codesourcery.com> | 2007-04-26 07:22:14 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2007-04-26 07:22:14 +0000 |
| commit | 29173496a0453f740b280bcc1f1ddbebc2726ced (patch) | |
| tree | 25874e5824405772f821da236adc7c4f1e697677 | |
| parent | a0f8745469c6a00a25ad20aaac0d56aff2767776 (diff) | |
| download | gcc-29173496a0453f740b280bcc1f1ddbebc2726ced.zip gcc-29173496a0453f740b280bcc1f1ddbebc2726ced.tar.gz gcc-29173496a0453f740b280bcc1f1ddbebc2726ced.tar.bz2 | |
200x-xx-xx Richard Sandiford <richard@codesourcery.com> Mark Mitchell <mark@codesourcery.com>
gcc/
200x-xx-xx Richard Sandiford <richard@codesourcery.com>
Mark Mitchell <mark@codesourcery.com>
* config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
* config/i386/i386.c (ix86_sol10_return_in_memory): New function.
* config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>
From-SVN: r124176
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386-protos.h | 1 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 37 | ||||
| -rw-r--r-- | gcc/config/i386/sol2-10.h | 9 |
4 files changed, 46 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5dec375..ad1928a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,11 @@ 2007-04-26 Richard Sandiford <richard@codesourcery.com> + Mark Mitchell <mark@codesourcery.com> + + * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare. + * config/i386/i386.c (ix86_sol10_return_in_memory): New function. + * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it. + +2007-04-26 Richard Sandiford <richard@codesourcery.com> PR driver/31107 * doc/invoke.texi (%:print-asm-header): Document. diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h index a379011..3dca7c5 100644 --- a/gcc/config/i386/i386-protos.h +++ b/gcc/config/i386/i386-protos.h @@ -134,6 +134,7 @@ extern bool ix86_function_value_regno_p (int); extern bool ix86_function_arg_regno_p (int); extern int ix86_function_arg_boundary (enum machine_mode, tree); extern int ix86_return_in_memory (tree); +extern int ix86_sol10_return_in_memory (tree); extern void ix86_va_start (tree, rtx); extern rtx ix86_va_arg (tree, tree); diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 2e0586b..adc2be7 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -4372,6 +4372,43 @@ ix86_return_in_memory (tree type) return return_in_memory_32 (type, mode); } +/* Return false iff TYPE is returned in memory. This version is used + on Solaris 10. It is similar to the generic ix86_return_in_memory, + but differs notably in that when MMX is available, 8-byte vectors + are returned in memory, rather than in MMX registers. */ + +int +ix86_sol10_return_in_memory (tree type) +{ + int needed_intregs, needed_sseregs, size; + enum machine_mode mode = type_natural_mode (type); + + if (TARGET_64BIT) + return return_in_memory_64 (type, mode); + + if (mode == BLKmode) + return 1; + + size = int_size_in_bytes (type); + + if (VECTOR_MODE_P (mode)) + { + /* Return in memory only if MMX registers *are* available. This + seems backwards, but it is consistent with the existing + Solaris x86 ABI. */ + if (size == 8) + return TARGET_MMX; + if (size == 16) + return !TARGET_SSE; + } + else if (mode == TImode) + return !TARGET_SSE; + else if (mode == XFmode) + return 0; + + return size > 12; +} + /* When returning SSE vector types, we have a choice of either (1) being abi incompatible with a -march switch, or (2) generating an error. diff --git a/gcc/config/i386/sol2-10.h b/gcc/config/i386/sol2-10.h index 587e56f..a3eb1f5 100644 --- a/gcc/config/i386/sol2-10.h +++ b/gcc/config/i386/sol2-10.h @@ -111,12 +111,5 @@ Boston, MA 02110-1301, USA. */ #undef TARGET_ASM_NAMED_SECTION #define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section -/* In 32-bit mode, follow the SVR4 ABI definition; in 64-bit mode, use - the AMD64 ABI definition. */ #undef RETURN_IN_MEMORY -#define RETURN_IN_MEMORY(TYPE) \ - (TARGET_64BIT \ - ? ix86_return_in_memory (TYPE) \ - : (TYPE_MODE (TYPE) == BLKmode \ - || (VECTOR_MODE_P (TYPE_MODE (TYPE)) \ - && int_size_in_bytes (TYPE) == 8))) +#define RETURN_IN_MEMORY ix86_sol10_return_in_memory |