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| author | Richard Henderson <rth@redhat.com> | 2002-01-09 13:01:11 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2002-01-09 13:01:11 -0800 |
| commit | 9503f3d1cf1dc057b95d2f53fb4378ae5d9aae99 (patch) | |
| tree | c7d66e05ecd0b268cfeca92eeb9e33270cb57224 | |
| parent | 42bd17b7fc6af8d4239ff6925bc0697a84545c6a (diff) | |
| download | gcc-9503f3d1cf1dc057b95d2f53fb4378ae5d9aae99.zip gcc-9503f3d1cf1dc057b95d2f53fb4378ae5d9aae99.tar.gz gcc-9503f3d1cf1dc057b95d2f53fb4378ae5d9aae99.tar.bz2 | |
arm.c (arm_gen_constant): Use trunc_int_for_mode.
* config/arm/arm.c (arm_gen_constant): Use trunc_int_for_mode.
Unify code from various alternatives.
From-SVN: r48690
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 51 |
2 files changed, 32 insertions, 24 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 95ed9eb..3b5deaa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 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 is present in the value chain with a narrower mode. diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 275eaa0..76ce21c 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -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; } |