From: Richard Henderson <rth@redhat.com>
To: Bernd Schmidt <bernds@codesourcery.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [3/11] Remove some dead code
Date: Tue, 05 Jul 2011 19:12:00 -0000 [thread overview]
Message-ID: <4E136179.2010501@redhat.com> (raw)
In-Reply-To: <4E0E043D.3080608@codesourcery.com>
On 07/01/2011 10:30 AM, Bernd Schmidt wrote:
> * simplify-rtx.c (simplify_ternary_operation): Remove dead code.
>
> Index: baseline-trunk/gcc/simplify-rtx.c
> ===================================================================
> --- baseline-trunk.orig/gcc/simplify-rtx.c
> +++ baseline-trunk/gcc/simplify-rtx.c
> @@ -4948,15 +4948,6 @@ simplify_ternary_operation (enum rtx_cod
> val |= ~ (((unsigned HOST_WIDE_INT) 1 << INTVAL (op1)) - 1);
> }
>
> - /* Clear the bits that don't belong in our mode,
> - unless they and our sign bit are all one.
> - So we get either a reasonable negative value or a reasonable
> - unsigned value for this mode. */
> - if (width < HOST_BITS_PER_WIDE_INT
> - && ((val & ((unsigned HOST_WIDE_INT) (-1) << (width - 1)))
> - != ((unsigned HOST_WIDE_INT) (-1) << (width - 1))))
> - val &= ((unsigned HOST_WIDE_INT) 1 << width) - 1;
> -
> return gen_int_mode (val, mode);
Hah. My question re patch 2.
Obviously ok.
r~
next prev parent reply other threads:[~2011-07-05 19:10 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-01 17:26 [0/11] GET_MODE_PRECISION vs GET_MODE_BITSIZE Bernd Schmidt
2011-07-01 17:27 ` [1/11] Use targetm.shift_truncation_mask more consistently Bernd Schmidt
2011-07-04 15:29 ` Richard Henderson
2011-07-06 18:13 ` Richard Sandiford
2011-07-07 0:03 ` Bernd Schmidt
2011-07-07 8:07 ` Richard Sandiford
2011-07-01 17:30 ` [3/11] Remove some dead code Bernd Schmidt
2011-07-05 19:12 ` Richard Henderson [this message]
2011-07-01 17:30 ` [2/11] Neater tests for signbits Bernd Schmidt
2011-07-05 19:10 ` Richard Henderson
2011-07-05 21:35 ` Bernd Schmidt
2011-07-01 17:32 ` [4/11] Use precisions for TRULY_NOOP_TRUNCATION Bernd Schmidt
2011-07-05 19:16 ` Richard Henderson
2011-07-01 17:33 ` [5/11] Neater tests for paradoxical subregs Bernd Schmidt
2011-07-05 19:19 ` Richard Henderson
2011-07-01 17:34 ` [6/11] Tests for HOST_WIDE_INT representability Bernd Schmidt
2011-07-05 19:19 ` Richard Henderson
2011-07-01 17:36 ` [7/11] rtl optimizer changes Bernd Schmidt
2011-07-06 18:25 ` Richard Henderson
2011-07-01 17:37 ` [8/11] Expander changes Bernd Schmidt
2011-07-06 18:26 ` Richard Henderson
2011-07-01 17:38 ` [9/11] Fix units mismatch in comparison Bernd Schmidt
2011-07-06 18:27 ` Richard Henderson
2011-07-01 17:41 ` [10/11] Expander fixes for 40-bit integers Bernd Schmidt
2011-07-06 18:37 ` Richard Henderson
2011-07-01 17:42 ` [11/11] Fix get_mode_bounds Bernd Schmidt
2011-07-06 18:38 ` Richard Henderson
2011-07-06 23:16 ` Bernd Schmidt
2011-07-06 23:39 ` Richard Henderson
2011-07-11 10:38 ` Bernd Schmidt
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