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re PR target/43741 (sh-elf ICEs for libstdc++-v3/src/ios_init.cc with -m2a)

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PR target/43471
	* config/sh/sh.c (sh_legitimize_reload_address): Use
	MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
	Remove a unneeded check for offset_base.

From-SVN: r158393
This commit is contained in:
Kaz Kojima 2010-04-15 21:51:14 +00:00
parent e3e529d14c
commit 7140f0f90e
2 changed files with 10 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
PR target/43471
* config/sh/sh.c (sh_legitimize_reload_address): Use
MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
Remove a unneeded check for offset_base.
2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.

7
gcc/config/sh/sh.c
View file

@ -9640,7 +9640,7 @@ sh_legitimize_reload_address (rtx *p, enum machine_mode mode, int opnum,
if (GET_CODE (*p) == PLUS
&& (GET_MODE_SIZE (mode) == 4 || GET_MODE_SIZE (mode) == 8)
&& CONST_INT_P (XEXP (*p, 1))
&& BASE_REGISTER_RTX_P (XEXP (*p, 0))
&& MAYBE_BASE_REGISTER_RTX_P (XEXP (*p, 0), true)
&& ! TARGET_SHMEDIA
&& ! (TARGET_SH4 && mode == DFmode)
&& ! (mode == PSImode && type == RELOAD_FOR_INPUT_ADDRESS)
@ -9674,8 +9674,7 @@ sh_legitimize_reload_address (rtx *p, enum machine_mode mode, int opnum,
/* Sometimes the normal form does not suit DImode. We could avoid
that by using smaller ranges, but that would give less optimized
code when SImode is prevalent. */
if (offset_base != 0
&& GET_MODE_SIZE (mode) + offset - offset_base <= 64)
if (GET_MODE_SIZE (mode) + offset - offset_base <= 64)
{
sum = gen_rtx_PLUS (Pmode, XEXP (*p, 0), GEN_INT (offset_base));
*p = gen_rtx_PLUS (Pmode, sum, GEN_INT (offset - offset_base));
@ -9689,7 +9688,7 @@ sh_legitimize_reload_address (rtx *p, enum machine_mode mode, int opnum,
&& (GET_MODE_SIZE (mode) == 4 || GET_MODE_SIZE (mode) == 8)
&& GET_CODE (XEXP (*p, 0)) == PLUS
&& CONST_INT_P (XEXP (XEXP (*p, 0), 1))
&& BASE_REGISTER_RTX_P (XEXP (XEXP (*p, 0), 0))
&& MAYBE_BASE_REGISTER_RTX_P (XEXP (XEXP (*p, 0), 0), true)
&& CONST_INT_P (XEXP (*p, 1))
&& ! TARGET_SHMEDIA
&& ! (TARGET_SH2E && mode == SFmode))