mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-03-08 21:57:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

*** empty log message ***

Browse Source 
From-SVN: r359
This commit is contained in:
Jim Wilson 1992-02-26 18:36:26 -08:00
parent 1eb9bc802b
commit 3f07e47a84
2 changed files with 21 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
gcc/config/sparc/sparc.md
View File

@ -790,11 +790,11 @@
else if (GET_CODE (op1) == CONST_DOUBLE)
{
operands[0] = operand_subword (op0, 1, 0, DImode);
operands[1] = gen_rtx (CONST_INT, VOIDmode, CONST_DOUBLE_HIGH (op1));
operands[1] = gen_rtx (CONST_INT, VOIDmode, CONST_DOUBLE_LOW (op1));
output_asm_insn (\"sethi %%hi(%a1),%0\", operands);
operands[0] = operand_subword (op0, 0, 0, DImode);
operands[1] = gen_rtx (CONST_INT, VOIDmode, CONST_DOUBLE_LOW (op1));
operands[1] = gen_rtx (CONST_INT, VOIDmode, CONST_DOUBLE_HIGH (op1));
output_asm_insn (singlemove_string (operands), operands);
}
else
@ -824,7 +824,14 @@
(lo_sum:DI (match_operand:DI 1 "register_operand" "r")
(match_operand:DI 2 "immediate_operand" "in")))]
""
"or %R1,%%lo(%a2),%R0"
"*
{
/* Don't output a 64 bit constant, since we can't trust the assembler to
handle it correctly. */
if (GET_CODE (operands[2]) == CONST_DOUBLE)
operands[2] = gen_rtx (CONST_INT, VOIDmode, CONST_DOUBLE_LOW (operands[2]));
return \"or %R1,%%lo(%a2),%R0\";
}"
;; Need to set length for this arith insn because operand2
;; is not an "arith_operand".
[(set_attr "length" "1")])

13
gcc/unroll.c
View File

@ -1461,8 +1461,10 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration,
for (tv = bl->giv; tv; tv = tv->next_iv)
if (tv->giv_type == DEST_ADDR && tv->same == v)
{
/* Increment the giv by the amount that was calculated in
find_splittable_givs, and saved in add_val. */
tv->dest_reg = plus_constant (tv->dest_reg,
INTVAL (giv_inc));
INTVAL (tv->add_val));
*tv->location = tv->dest_reg;
if (last_iteration && unroll_type != UNROLL_COMPLETELY)
@ -2596,7 +2598,14 @@ find_splittable_givs (bl, unroll_type, loop_start, loop_end, increment,
addr_combined_regs[REGNO (v->new_reg)] = v;
}
}
/* Overwrite the old add_val, which is no longer needed, and
substitute the amount that the giv is incremented on each
iteration. We need to save this somewhere, so we know how
much to increment split DEST_ADDR giv's in copy_loop_body. */
v->add_val = giv_inc;
if (loop_dump_stream)
fprintf (loop_dump_stream, "DEST_ADDR giv being split.\n");
}