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lra.c (lra): Remove call to recog_init. 

gcc/
	* lra.c (lra): Remove call to recog_init.
	* config/i386/i386.md (preferred_for_speed): New attribute
	(*float<SWI48:mode><MODEF:mode>2_sse): Override it instead of
	"enabled".  Remove check for sched1.

gcc/testsuite/
	* gcc.target/i386/conversion-2.c: New test.

From-SVN: r216557
This commit is contained in:
Richard Sandiford 2014-10-22 12:03:00 +00:00 committed by Richard Sandiford
parent 795693c185
commit 4a7fca26b4
5 changed files with 53 additions and 13 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2014-10-22 Richard Sandiford <richard.sandiford@arm.com>
* lra.c (lra): Remove call to recog_init.
* config/i386/i386.md (preferred_for_speed): New attribute
(*float<SWI48:mode><MODEF:mode>2_sse): Override it instead of
"enabled". Remove check for sched1.
2014-10-22 Richard Sandiford <richard.sandiford@arm.com>
* recog.h (recog_data_d): Remove enabled_alternatives.

14
gcc/config/i386/i386.md
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@ -779,6 +779,8 @@
]
(const_int 1)))
(define_attr "preferred_for_speed" "" (const_int 1))
;; Describe a user's asm statement.
(define_asm_attributes
[(set_attr "length" "128")
@ -4794,16 +4796,12 @@
(symbol_ref "TARGET_MIX_SSE_I387
&& X87_ENABLE_FLOAT (<MODEF:MODE>mode,
<SWI48:MODE>mode)")
(eq_attr "alternative" "1")
/* ??? For sched1 we need constrain_operands to be able to
select an alternative. Leave this enabled before RA. */
(symbol_ref "TARGET_INTER_UNIT_CONVERSIONS
|| optimize_function_for_size_p (cfun)
|| !(reload_completed
|| reload_in_progress
|| lra_in_progress)")
]
(symbol_ref "true")))
(set (attr "preferred_for_speed")
(cond [(eq_attr "alternative" "1")
(symbol_ref "TARGET_INTER_UNIT_CONVERSIONS")]
(symbol_ref "true")))
])
(define_insn "*float<SWI48x:mode><MODEF:mode>2_i387"

5
gcc/lra.c
View File

@ -2120,11 +2120,6 @@ lra (FILE *f)
lra_in_progress = 1;
/* The enable attributes can change their values as LRA starts
although it is a bad practice. To prevent reuse of the outdated
values, clear them. */
recog_init ();
lra_live_range_iter = lra_coalesce_iter = lra_constraint_iter = 0;
lra_assignment_iter = lra_assignment_iter_after_spill = 0;
lra_inheritance_iter = lra_undo_inheritance_iter = 0;

4
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,7 @@
2014-10-22 Richard Sandiford <richard.sandiford@arm.com>
* gcc.target/i386/conversion-2.c: New test.
2014-10-22 Jakub Jelinek <jakub@redhat.com>
Yury Gribov <y.gribov@samsung.com>

36
gcc/testsuite/gcc.target/i386/conversion-2.c Normal file
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@ -0,0 +1,36 @@
/* { dg-do compile } */
/* { dg-options "-O2 -fno-toplevel-reorder -mtune=bdver2" } */
/* { dg-additional-options "-mregparm=1 -msse -mfpmath=sse" { target ia32 } } */
void __attribute__ ((hot))
f1 (int x)
{
register float f asm ("%xmm0") = x;
asm volatile ("" :: "x" (f));
}
void __attribute__ ((cold))
f2 (int x)
{
register float f asm ("%xmm1") = x;
asm volatile ("" :: "x" (f));
}
void __attribute__ ((hot))
f3 (int x)
{
register float f asm ("%xmm2") = x;
asm volatile ("" :: "x" (f));
}
void __attribute__ ((cold))
f4 (int x)
{
register float f asm ("%xmm3") = x;
asm volatile ("" :: "x" (f));
}
/* { dg-final { scan-assembler "sp\\\), %xmm0" } } */
/* { dg-final { scan-assembler "(ax|di), %xmm1" } } */
/* { dg-final { scan-assembler "sp\\\), %xmm2" } } */
/* { dg-final { scan-assembler "(ax|di), %xmm3" } } */