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i386.md (<rounding_insn><mode>2): Macroize expander from {floor,ceil,btrunc}<mode>2 using FIST_ROUNDING int iterator.

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* config/i386/i386.md (<rounding_insn><mode>2): Macroize expander
	from {floor,ceil,btrunc}<mode>2 using FIST_ROUNDING int iterator.
	(l<rounding_insn><MODEF:mode><SWI48:mode>2): Macroize expander
	from l{floor,ceil}<MODEF:mode><SWI48:mode>2 using FIST_ROUNDING
	int iterator.

From-SVN: r188840
This commit is contained in:
Uros Bizjak 2012-06-20 19:37:40 +02:00 • committed by Uros Bizjak
parent 975667e7fb
commit bafda72341
2 changed files with 48 additions and 101 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2012-06-20 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (<rounding_insn><mode>2): Macroize expander
from {floor,ceil,btrunc}<mode>2 using FIST_ROUNDING int iterator.
(l<rounding_insn><MODEF:mode><SWI48:mode>2): Macroize expander
from l{floor,ceil}<MODEF:mode><SWI48:mode>2 using FIST_ROUNDING
int iterator.
2012-06-20 Steven Bosscher <steven@gcc.gnu.org>
* system.h: Poison ASM_OUTPUT_IDENT and IDENT_ASM_OP.

141
gcc/config/i386/i386.md
View file

@ -15178,9 +15178,11 @@
&& flag_unsafe_math_optimizations
&& !optimize_insn_for_size_p ()")
(define_expand "floor<mode>2"
[(use (match_operand:MODEF 0 "register_operand"))
(use (match_operand:MODEF 1 "register_operand"))]
(define_expand "<rounding_insn><mode>2"
[(parallel [(set (match_operand:MODEF 0 "register_operand")
(unspec:MODEF [(match_operand:MODEF 1 "register_operand")]
FRNDINT_ROUNDING))
(clobber (reg:CC FLAGS_REG))])]
"(TARGET_USE_FANCY_MATH_387
&& (!(SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH)
|| TARGET_MIX_SSE_I387)
@ -15193,13 +15195,31 @@
{
if (TARGET_ROUND)
emit_insn (gen_sse4_1_round<mode>2
(operands[0], operands[1], GEN_INT (ROUND_FLOOR)));
(operands[0], operands[1], GEN_INT (ROUND_<ROUNDING>)));
else if (optimize_insn_for_size_p ())
FAIL;
FAIL;
else if (TARGET_64BIT || (<MODE>mode != DFmode))
ix86_expand_floorceil (operands[0], operands[1], true);
{
if (ROUND_<ROUNDING> == ROUND_FLOOR)
ix86_expand_floorceil (operands[0], operands[1], true);
else if (ROUND_<ROUNDING> == ROUND_CEIL)
ix86_expand_floorceil (operands[0], operands[1], false);
else if (ROUND_<ROUNDING> == ROUND_TRUNC)
ix86_expand_trunc (operands[0], operands[1]);
else
gcc_unreachable ();
}
else
ix86_expand_floorceildf_32 (operands[0], operands[1], true);
{
if (ROUND_<ROUNDING> == ROUND_FLOOR)
ix86_expand_floorceildf_32 (operands[0], operands[1], true);
else if (ROUND_<ROUNDING> == ROUND_CEIL)
ix86_expand_floorceildf_32 (operands[0], operands[1], false);
else if (ROUND_<ROUNDING> == ROUND_TRUNC)
ix86_expand_truncdf_32 (operands[0], operands[1]);
else
gcc_unreachable ();
}
}
else
{
@ -15211,87 +15231,7 @@
op0 = gen_reg_rtx (XFmode);
op1 = gen_reg_rtx (XFmode);
emit_insn (gen_extend<mode>xf2 (op1, operands[1]));
emit_insn (gen_frndintxf2_floor (op0, op1));
emit_insn (gen_truncxf<mode>2_i387_noop (operands[0], op0));
}
DONE;
})
(define_expand "ceil<mode>2"
[(use (match_operand:MODEF 0 "register_operand"))
(use (match_operand:MODEF 1 "register_operand"))]
"(TARGET_USE_FANCY_MATH_387
&& (!(SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH)
|| TARGET_MIX_SSE_I387)
&& flag_unsafe_math_optimizations)
|| (SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH
&& !flag_trapping_math)"
{
if (SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH
&& !flag_trapping_math)
{
if (TARGET_ROUND)
emit_insn (gen_sse4_1_round<mode>2
(operands[0], operands[1], GEN_INT (ROUND_CEIL)));
else if (optimize_insn_for_size_p ())
FAIL;
else if (TARGET_64BIT || (<MODE>mode != DFmode))
ix86_expand_floorceil (operands[0], operands[1], false);
else
ix86_expand_floorceildf_32 (operands[0], operands[1], false);
}
else
{
rtx op0, op1;
if (optimize_insn_for_size_p ())
FAIL;
op0 = gen_reg_rtx (XFmode);
op1 = gen_reg_rtx (XFmode);
emit_insn (gen_extend<mode>xf2 (op1, operands[1]));
emit_insn (gen_frndintxf2_ceil (op0, op1));
emit_insn (gen_truncxf<mode>2_i387_noop (operands[0], op0));
}
DONE;
})
(define_expand "btrunc<mode>2"
[(use (match_operand:MODEF 0 "register_operand"))
(use (match_operand:MODEF 1 "register_operand"))]
"(TARGET_USE_FANCY_MATH_387
&& (!(SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH)
|| TARGET_MIX_SSE_I387)
&& flag_unsafe_math_optimizations)
|| (SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH
&& !flag_trapping_math)"
{
if (SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH
&& !flag_trapping_math)
{
if (TARGET_ROUND)
emit_insn (gen_sse4_1_round<mode>2
(operands[0], operands[1], GEN_INT (ROUND_TRUNC)));
else if (optimize_insn_for_size_p ())
FAIL;
else if (TARGET_64BIT || (<MODE>mode != DFmode))
ix86_expand_trunc (operands[0], operands[1]);
else
ix86_expand_truncdf_32 (operands[0], operands[1]);
}
else
{
rtx op0, op1;
if (optimize_insn_for_size_p ())
FAIL;
op0 = gen_reg_rtx (XFmode);
op1 = gen_reg_rtx (XFmode);
emit_insn (gen_extend<mode>xf2 (op1, operands[1]));
emit_insn (gen_frndintxf2_trunc (op0, op1));
emit_insn (gen_frndintxf2_<rounding> (op0, op1));
emit_insn (gen_truncxf<mode>2_i387_noop (operands[0], op0));
}
@ -15519,25 +15459,24 @@
&& (!TARGET_SSE_MATH || TARGET_MIX_SSE_I387)
&& flag_unsafe_math_optimizations")
(define_expand "lfloor<MODEF:mode><SWI48:mode>2"
[(match_operand:SWI48 0 "nonimmediate_operand")
(match_operand:MODEF 1 "register_operand")]
(define_expand "l<rounding_insn><MODEF:mode><SWI48:mode>2"
[(parallel [(set (match_operand:SWI48 0 "nonimmediate_operand")
(unspec:SWI48 [(match_operand:MODEF 1 "register_operand")]
FIST_ROUNDING))
(clobber (reg:CC FLAGS_REG))])]
"SSE_FLOAT_MODE_P (<MODEF:MODE>mode) && TARGET_SSE_MATH
&& !flag_trapping_math"
{
if (TARGET_64BIT && optimize_insn_for_size_p ())
FAIL;
ix86_expand_lfloorceil (operands[0], operands[1], true);
DONE;
})
(define_expand "lceil<MODEF:mode><SWI48:mode>2"
[(match_operand:SWI48 0 "nonimmediate_operand")
(match_operand:MODEF 1 "register_operand")]
"SSE_FLOAT_MODE_P (<MODEF:MODE>mode) && TARGET_SSE_MATH
&& !flag_trapping_math"
{
ix86_expand_lfloorceil (operands[0], operands[1], false);
if (ROUND_<ROUNDING> == ROUND_FLOOR)
ix86_expand_lfloorceil (operands[0], operands[1], true);
else if (ROUND_<ROUNDING> == ROUND_CEIL)
ix86_expand_lfloorceil (operands[0], operands[1], false);
else
gcc_unreachable ();
DONE;
})