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arm.c (arm_gen_constant): Use trunc_int_for_mode.

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* config/arm/arm.c (arm_gen_constant): Use trunc_int_for_mode.
        Unify code from various alternatives.

From-SVN: r48690
This commit is contained in:
Richard Henderson 2002-01-09 13:01:11 -08:00 committed by Richard Henderson
parent 42bd17b7fc
commit 9503f3d1cf
2 changed files with 32 additions and 24 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-01-09 Richard Henderson <rth@redhat.com>
* config/arm/arm.c (arm_gen_constant): Use trunc_int_for_mode.
Unify code from various alternatives.
2002-01-09 Richard Henderson <rth@redhat.com>
* regrename.c (copy_value): Ignore the copy if the source register

51
gcc/config/arm/arm.c
View File

@ -1626,34 +1626,37 @@ arm_gen_constant (code, mode, val, target, source, subtargets, generate)
if (generate)
{
rtx new_src;
rtx new_src, temp1_rtx;
if (code == SET || code == MINUS)
{
new_src = (subtargets ? gen_reg_rtx (mode) : target);
if (can_invert)
temp1 = ~temp1;
}
else
{
if (remainder || !subtargets)
new_src = target;
else
new_src = gen_reg_rtx (mode);
if (can_invert)
temp1 = ~temp1;
else if (can_negate)
temp1 = -temp1;
}
temp1 = trunc_int_for_mode (temp1, mode);
temp1_rtx = GEN_INT (temp1);
if (code == SET)
emit_insn (gen_rtx_SET (VOIDmode,
new_src = (subtargets
? gen_reg_rtx (mode)
: target),
GEN_INT (can_invert
? ~temp1 : temp1)));
;
else if (code == MINUS)
emit_insn (gen_rtx_SET (VOIDmode,
new_src = (subtargets
? gen_reg_rtx (mode)
: target),
gen_rtx (code, mode, GEN_INT (temp1),
source)));
temp1_rtx = gen_rtx_MINUS (mode, temp1_rtx, source);
else
emit_insn (gen_rtx_SET (VOIDmode,
new_src = (remainder
? (subtargets
? gen_reg_rtx (mode)
: target)
: target),
gen_rtx (code, mode, source,
GEN_INT (can_invert ? ~temp1
: (can_negate
? -temp1
: temp1)))));
temp1_rtx = gen_rtx_fmt_ee (code, mode, source, temp1_rtx);
emit_insn (gen_rtx_SET (VOIDmode, new_src, temp1_rtx));
source = new_src;
}