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re PR target/12978 (problem with -fweb and c4x target) 

2004-01-24  Herman A.J. ten Brugge  <hermantenbrugge@home.nl>

        PR target/12978
        * c4x.md: (movstrqi*) Use match_scratch instead of match_dup.
        Remove movstrqi_small because it conflicts with movstrqi_large.

From-SVN: r76534
This commit is contained in:
Herman A.J. ten Brugge 2004-01-25 03:20:16 +01:00 committed by Andrew Pinski
parent bda95edfff
commit b1dccb2878
2 changed files with 36 additions and 56 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2004-01-24 Herman A.J. ten Brugge <hermantenbrugge@home.nl>
PR target/12978
* c4x.md: (movstrqi*) Use match_scratch instead of match_dup.
Remove movstrqi_small because it conflicts with movstrqi_large.
2004-01-24 Kazu Hirata <kazu@cs.umass.edu>
* config/cris/cris.c (TARGET_PROMOTE_FUNCTION_ARGS): New.

86
gcc/config/c4x/c4x.md
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@ -5653,7 +5653,7 @@
"0"
"")
(define_expand "movstrqi_small2"
(define_expand "movstrqi_small"
[(parallel [(set (mem:BLK (match_operand:BLK 0 "src_operand" ""))
(mem:BLK (match_operand:BLK 1 "src_operand" "")))
(use (match_operand:QI 2 "immediate_operand" ""))
@ -5713,71 +5713,51 @@
; operand 3 is the shared alignment
; operand 4 is a scratch register
(define_insn "movstrqi_small"
[(set (mem:BLK (match_operand:QI 0 "addr_reg_operand" "+a"))
(mem:BLK (match_operand:QI 1 "addr_reg_operand" "+a")))
(use (match_operand:QI 2 "immediate_operand" "i"))
(use (match_operand:QI 3 "immediate_operand" ""))
(clobber (match_operand:QI 4 "ext_low_reg_operand" "=&q"))
(clobber (match_dup 0))
(clobber (match_dup 1))]
""
"*
{
int i;
int len = INTVAL (operands[2]);
int first = 1;
for (i = 0; i < len; i++)
{
if (first)
output_asm_insn (\"ldiu\\t*%1++,%4\", operands);
else
output_asm_insn (\"|| ldi\\t*%1++,%4\", operands);
output_asm_insn (\"sti\\t%4,*%0++\", operands);
first = 0;
}
return \"\";
}
"
[(set_attr "type" "multi")])
(define_insn "movstrqi_large"
[(set (mem:BLK (match_operand:QI 0 "addr_reg_operand" "+a"))
(mem:BLK (match_operand:QI 1 "addr_reg_operand" "+a")))
[(set (mem:BLK (match_operand:QI 0 "addr_reg_operand" "a"))
(mem:BLK (match_operand:QI 1 "addr_reg_operand" "a")))
(use (match_operand:QI 2 "immediate_operand" "i"))
(use (match_operand:QI 3 "immediate_operand" ""))
(clobber (match_operand:QI 4 "ext_low_reg_operand" "=&q"))
(clobber (match_dup 0))
(clobber (match_dup 1))
(clobber (match_scratch:QI 5 "=0"))
(clobber (match_scratch:QI 6 "=1"))
(clobber (reg:QI 25))
(clobber (reg:QI 26))
(clobber (reg:QI 27))]
""
"*
{
int i;
int len = INTVAL (operands[2]);
output_asm_insn (\"ldiu\\t*%1++,%4\", operands);
if (TARGET_RPTS_CYCLES (len))
if (len < 8)
{
output_asm_insn (\"rpts\\t%2-2\", operands);
output_asm_insn (\"sti\\t%4,*%0++\", operands);
output_asm_insn (\"|| ldi\\t*%1++,%4\", operands);
return \"sti\\t%4,*%0++\";
for (i = 1; i < len; i++)
{
output_asm_insn (\"sti\\t%4,*%0++\", operands);
output_asm_insn (\"|| ldi\\t*%1++,%4\", operands);
}
}
else
{
output_asm_insn (\"ldiu\\t%2-2,rc\", operands);
output_asm_insn (\"rptb\\t$+1\", operands);
output_asm_insn (\"sti\\t%4,*%0++\", operands);
output_asm_insn (\"|| ldi\\t*%1++,%4\", operands);
return \"sti\\t%4,*%0++\";
if (TARGET_RPTS_CYCLES (len))
{
output_asm_insn (\"rpts\\t%2-2\", operands);
output_asm_insn (\"sti\\t%4,*%0++\", operands);
output_asm_insn (\"|| ldi\\t*%1++,%4\", operands);
}
else
{
output_asm_insn (\"ldiu\\t%2-2,rc\", operands);
output_asm_insn (\"rptb\\t$+1\", operands);
output_asm_insn (\"sti\\t%4,*%0++\", operands);
output_asm_insn (\"|| ldi\\t*%1++,%4\", operands);
}
}
}
"
[(set_attr "type" "multi")])
return \"sti\\t%4,*%0++\";
}"
[(set_attr "type" "multi")])
; Operand 2 is the count, operand 3 is the alignment.
(define_expand "movstrqi"
@ -5799,14 +5779,8 @@
operands[0] = copy_to_mode_reg (Pmode, XEXP (operands[0], 0));
operands[1] = copy_to_mode_reg (Pmode, XEXP (operands[1], 0));
tmp = gen_reg_rtx (QImode);
if (INTVAL (operands[2]) < 8)
emit_insn (gen_movstrqi_small2 (operands[0], operands[1], operands[2],
operands[3], tmp));
else
{
emit_insn (gen_movstrqi_large (operands[0], operands[1], operands[2],
operands[3], tmp));
}
emit_insn (gen_movstrqi_large (operands[0], operands[1], operands[2],
operands[3], tmp));
DONE;
}")