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i386-protos.h (x86_emit_floatuns): Declare. 

* i386-protos.h (x86_emit_floatuns):  Declare.
	* i386.c (x86_emit_floatuns): New global function.
	* i386.md (floatunssisf2, floatunsdisf2,
	floatunsdidf2):  New patterns.

From-SVN: r62452
This commit is contained in:
Jan Hubicka 2003-02-05 23:13:40 +01:00 committed by Jan Hubicka
parent bc810602be
commit 8d705469aa
4 changed files with 61 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
Wed Feb 5 23:12:57 CET 2003 Jan Hubicka <jh@suse.cz>
* i386-protos.h (x86_emit_floatuns): Declare.
* i386.c (x86_emit_floatuns): New global function.
* i386.md (floatunssisf2, floatunsdisf2,
floatunsdidf2): New patterns.
2003-01-25 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
* cfgloopmanip.c (force_single_succ_latches): Fix missindentation.

1
gcc/config/i386/i386-protos.h
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@ -189,6 +189,7 @@ extern void emit_i387_cw_initialization PARAMS ((rtx, rtx));
extern bool ix86_fp_jump_nontrivial_p PARAMS ((enum rtx_code));
extern void x86_order_regs_for_local_alloc PARAMS ((void));
extern void x86_function_profiler PARAMS ((FILE *, int));
extern void x86_emit_floatuns PARAMS ((rtx [2]));
#ifdef TREE_CODE

35
gcc/config/i386/i386.c
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@ -15337,4 +15337,39 @@ x86_extended_reg_mentioned_p (insn)
return for_each_rtx (&PATTERN (insn), extended_reg_mentioned_1, NULL);
}
/* Generate an unsigned DImode to FP conversion. This is the same code
optabs would emit if we didn't have TFmode patterns. */
void
x86_emit_floatuns (operands)
rtx operands[2];
{
rtx neglab, donelab, i0, i1, f0, in, out;
enum machine_mode mode;
out = operands[0];
in = force_reg (DImode, operands[1]);
mode = GET_MODE (out);
neglab = gen_label_rtx ();
donelab = gen_label_rtx ();
i1 = gen_reg_rtx (Pmode);
f0 = gen_reg_rtx (mode);
emit_cmp_and_jump_insns (in, const0_rtx, LT, const0_rtx, Pmode, 0, neglab);
emit_insn (gen_rtx_SET (VOIDmode, out, gen_rtx_FLOAT (mode, in)));
emit_jump_insn (gen_jump (donelab));
emit_barrier ();
emit_label (neglab);
i0 = expand_simple_binop (Pmode, LSHIFTRT, in, const1_rtx, NULL, 1, OPTAB_DIRECT);
i1 = expand_simple_binop (Pmode, AND, in, const1_rtx, NULL, 1, OPTAB_DIRECT);
i0 = expand_simple_binop (Pmode, IOR, i0, i1, i0, 1, OPTAB_DIRECT);
expand_float (f0, i0, 0);
emit_insn (gen_rtx_SET (VOIDmode, out, gen_rtx_PLUS (mode, f0, f0)));
emit_label (donelab);
}
#include "gt-i386.h"

18
gcc/config/i386/i386.md
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@ -4924,6 +4924,24 @@
ix86_free_from_memory (GET_MODE (operands[1]));
DONE;
})
(define_expand "floatunssisf2"
[(use (match_operand:SF 0 "register_operand" ""))
(use (match_operand:SI 1 "register_operand" ""))]
"TARGET_SSE && TARGET_SSE_MATH && !TARGET_64BIT"
"x86_emit_floatuns (operands); DONE;")
(define_expand "floatunsdisf2"
[(use (match_operand:SF 0 "register_operand" ""))
(use (match_operand:DI 1 "register_operand" ""))]
"TARGET_SSE && TARGET_SSE_MATH && TARGET_64BIT"
"x86_emit_floatuns (operands); DONE;")
(define_expand "floatunsdidf2"
[(use (match_operand:DF 0 "register_operand" ""))
(use (match_operand:DI 1 "register_operand" ""))]
"TARGET_SSE2 && TARGET_SSE_MATH && TARGET_64BIT"
"x86_emit_floatuns (operands); DONE;")
;; Add instructions