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mips.md (SHORT): Fix long line.

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gcc/
	* config/mips/mips.md (SHORT): Fix long line.
	(SUBDI): New mode iterator.  Extend the shift-and-truncate insns
	to QImode and HImoe.

gcc/testsuite/
	* gcc.target/mips/truncate-1.c: New test.

From-SVN: r128525
This commit is contained in:
Richard Sandiford 2007-09-16 09:45:36 +00:00 committed by Richard Sandiford
parent 0dc3178264
commit 7ed67b7aba
4 changed files with 42 additions and 8 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk>
* config/mips/mips.md (SHORT): Fix long line.
(SUBDI): New mode iterator. Extend the shift-and-truncate insns
to QImode and HImoe.
2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk>
* config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.

20
gcc/config/mips/mips.md
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@ -481,10 +481,13 @@
;; conditional-move-type condition is needed.
(define_mode_iterator MOVECC [SI (DI "TARGET_64BIT") (CC "TARGET_HARD_FLOAT")])
;; This mode iterator allows the QI and HI extension patterns to be defined from
;; the same template.
;; This mode iterator allows the QI and HI extension patterns to be
;; defined from the same template.
(define_mode_iterator SHORT [QI HI])
;; Likewise the 64-bit truncate-and-shift patterns.
(define_mode_iterator SUBDI [QI HI SI])
;; This mode iterator allows :ANYF to be used wherever a scalar or vector
;; floating-point mode is allowed.
(define_mode_iterator ANYF [(SF "TARGET_HARD_FLOAT")
@ -2314,19 +2317,20 @@
;; Combiner patterns to optimize shift/truncate combinations.
(define_insn ""
[(set (match_operand:SI 0 "register_operand" "=d")
(truncate:SI
[(set (match_operand:SUBDI 0 "register_operand" "=d")
(truncate:SUBDI
(ashiftrt:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:DI 2 "const_arith_operand" ""))))]
(match_operand:DI 2 "const_arith_operand" ""))))]
"TARGET_64BIT && !TARGET_MIPS16 && INTVAL (operands[2]) >= 32"
"dsra\t%0,%1,%2"
[(set_attr "type" "shift")
(set_attr "mode" "SI")])
(define_insn ""
[(set (match_operand:SI 0 "register_operand" "=d")
(truncate:SI (lshiftrt:DI (match_operand:DI 1 "register_operand" "d")
(const_int 32))))]
[(set (match_operand:SUBDI 0 "register_operand" "=d")
(truncate:SUBDI
(lshiftrt:DI (match_operand:DI 1 "register_operand" "d")
(const_int 32))))]
"TARGET_64BIT && !TARGET_MIPS16"
"dsra\t%0,%1,32"
[(set_attr "type" "shift")

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk>
* gcc.target/mips/truncate-1.c: New test.
2007-09-16 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29396

20
gcc/testsuite/gcc.target/mips/truncate-1.c Normal file
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@ -0,0 +1,20 @@
/* { dg-mips-options "-O -mgp64" } */
#define TEST(ID, TYPE, SHIFT) \
int __attribute__((nomips16)) \
f##ID (unsigned long long y) \
{ \
return (TYPE) ((TYPE) (y >> SHIFT) + 1); \
}
TEST (1, int, 32)
TEST (2, short, 32)
TEST (3, char, 32)
TEST (4, int, 33)
TEST (5, short, 33)
TEST (6, char, 33)
TEST (7, int, 61)
TEST (8, short, 61)
TEST (9, char, 61)
/* { dg-final { scan-assembler-not "\tsll\t\[^\n\]*,0" } } */