diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-10-30 21:01:16 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-10-30 21:01:16 +0000 |
| commit | e07e720e6332466eef5d5f0ad7687523ddbfc644 (patch) | |
| tree | ede68b7323ca8991abd129b1643a69b031ebe28a /gcc/config/i386/i386-modes.def | |
| parent | 82ac70607d5f90ee52756e0152759e369a60032f (diff) | |
| download | gcc-e07e720e6332466eef5d5f0ad7687523ddbfc644.tar.gz | |
* real.c (encode_ieee_extended): Initialize whole array.
* reg-stack.c (move_for_stack_reg0: Use always XFmode.
* i386-modes.def: Change definitions of TFmode and XFmode.
* i386.c (classify_argument): Rename TFmodes to XFmodes; add new TFmode code.
(construct_container): Allow constructing of TFmode integer containers.
(ix86_return_in_memory): XFmode is not returned in memory.
(init_ext_80387_constants): Always use XFmode.
(print_operand): Likewise.
(ix86_prepare_fp_compare_regs): Likewise.
(split_to_parts): Deal with TFmode.
(split_long_move): Simplify.
(ix86_init_mmx_sse_builtins): Add __float80, __float128.
(ix86_memory_move_cost): Do not confuse TFmode.
* i386.h (LONG_DOUBLE_TYPE_SIZE): Set to 96.
(IS_STACK_MODE): TFmode is not stack mode.
(HARD_REGNO_NREGS, CLASS_MAX_NREGS): Deal nicely with XFmode.
(VALID_SSE_REG_MODE): Allow TFmode.
(VALID_FP_MODE_P): Disallow TFmode.
(VALID_INT_MODE_P): Allow TFmode in 64bit mode.
* i386.md (TFmode patterns): Kill.
(movtf, motf_rex64): New patterns.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73099 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/i386/i386-modes.def')
| -rw-r--r-- | gcc/config/i386/i386-modes.def | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/config/i386/i386-modes.def b/gcc/config/i386/i386-modes.def index ddfc5cfcf52..9f52f7f0b1b 100644 --- a/gcc/config/i386/i386-modes.def +++ b/gcc/config/i386/i386-modes.def @@ -18,11 +18,18 @@ along with GCC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -/* By default our XFmode is the 80-bit extended format. If we use - TFmode instead, it's also the 80-bit format, but with padding. */ +/* x86_64 ABI specifies both XF and TF modes. + XFmode is __float80 is IEEE extended; TFmode is __float128 + is IEEE quad. + + IEEE extended is 128 bits wide, except in ILP32 mode, but we + have to say it's 12 bytes so that the bitsize and wider_mode + tables are correctly set up. We correct its size below. */ FLOAT_MODE (XF, 12, ieee_extended_intel_96_format); -FLOAT_MODE (TF, 16, ieee_extended_intel_128_format); +ADJUST_BYTESIZE (XF, TARGET_128BIT_LONG_DOUBLE ? 16 : 12); +ADJUST_ALIGNMENT (XF, TARGET_128BIT_LONG_DOUBLE ? 16 : 4); +FLOAT_MODE (TF, 16, ieee_quad_format); /* Add any extra modes needed to represent the condition code. |