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i386.md (extendsfdf2, [...]): Do not force operand1 to register if both operands are memory operands.

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* config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
        force operand1 to register if both operands are memory operands.
        (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
        (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
        if both operands are memory operands.
        (truncdfsf2): Do not force operand1 to register if both operands
        are memory operands.

From-SVN: r117934
This commit is contained in:
Uros Bizjak 2006-10-21 17:49:41 +02:00 committed by Uros Bizjak
parent 70ec446fab
commit 509a77dc9c
2 changed files with 15 additions and 19 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2006-10-21 Uros Bizjak <uros@kss-loka.si>
* config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
force operand1 to register if both operands are memory operands.
(*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
(*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
if both operands are memory operands.
(truncdfsf2): Do not force operand1 to register if both operands
are memory operands.
2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* Makefile.in (LIBS): Add $(GMPLIBS).

24
gcc/config/i386/i386.md
View File

@ -3533,15 +3533,12 @@
}
operands[1] = validize_mem (force_const_mem (SFmode, operands[1]));
}
if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
operands[1] = force_reg (SFmode, operands[1]);
})
(define_insn "*extendsfdf2_mixed"
[(set (match_operand:DF 0 "nonimmediate_operand" "=f,m,Y")
(float_extend:DF (match_operand:SF 1 "nonimmediate_operand" "fm,f,mY")))]
"TARGET_SSE2 && TARGET_MIX_SSE_I387
&& (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
"TARGET_SSE2 && TARGET_MIX_SSE_I387"
{
switch (which_alternative)
{
@ -3567,8 +3564,7 @@
(define_insn "*extendsfdf2_sse"
[(set (match_operand:DF 0 "nonimmediate_operand" "=Y")
(float_extend:DF (match_operand:SF 1 "nonimmediate_operand" "mY")))]
"TARGET_SSE2 && TARGET_SSE_MATH
&& (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
"TARGET_SSE2 && TARGET_SSE_MATH"
"cvtss2sd\t{%1, %0|%0, %1}"
[(set_attr "type" "ssecvt")
(set_attr "mode" "DF")])
@ -3576,8 +3572,7 @@
(define_insn "*extendsfdf2_i387"
[(set (match_operand:DF 0 "nonimmediate_operand" "=f,m")
(float_extend:DF (match_operand:SF 1 "nonimmediate_operand" "fm,f")))]
"TARGET_80387
&& (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
"TARGET_80387"
{
switch (which_alternative)
{
@ -3615,15 +3610,12 @@
}
operands[1] = validize_mem (force_const_mem (SFmode, operands[1]));
}
if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
operands[1] = force_reg (SFmode, operands[1]);
})
(define_insn "*extendsfxf2_i387"
[(set (match_operand:XF 0 "nonimmediate_operand" "=f,m")
(float_extend:XF (match_operand:SF 1 "nonimmediate_operand" "fm,f")))]
"TARGET_80387
&& (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
"TARGET_80387"
{
switch (which_alternative)
{
@ -3663,15 +3655,12 @@
}
operands[1] = validize_mem (force_const_mem (DFmode, operands[1]));
}
if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
operands[1] = force_reg (DFmode, operands[1]);
})
(define_insn "*extenddfxf2_i387"
[(set (match_operand:XF 0 "nonimmediate_operand" "=f,m")
(float_extend:XF (match_operand:DF 1 "nonimmediate_operand" "fm,f")))]
"TARGET_80387
&& (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
"TARGET_80387"
{
switch (which_alternative)
{
@ -3707,9 +3696,6 @@
(match_operand:DF 1 "nonimmediate_operand" "")))]
"TARGET_80387 || (TARGET_SSE2 && TARGET_SSE_MATH)"
{
if (MEM_P (operands[0]) && MEM_P (operands[1]))
operands[1] = force_reg (DFmode, operands[1]);
if (TARGET_SSE2 && TARGET_SSE_MATH && !TARGET_MIX_SSE_I387)
;
else if (flag_unsafe_math_optimizations)