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alpha.c (secondary_reload_class): For !BWX, sub-simode outputs require a register.

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* alpha.c (secondary_reload_class): For !BWX, sub-simode
        outputs require a register.

From-SVN: r30829
This commit is contained in:
Richard Henderson 1999-12-08 03:47:38 -08:00 committed by Richard Henderson
parent 8dcd865f3b
commit 35a414df38
2 changed files with 20 additions and 11 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
* alpha.c (secondary_reload_class): For !BWX, sub-simode
outputs require a register.
1999-12-08 Brendan Kehoe <brendan@cygnus.com>
* Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi

26
gcc/config/alpha/alpha.c
View File

@ -1065,17 +1065,21 @@ secondary_reload_class (class, mode, x, in)
rtx x;
int in;
{
if ((GET_CODE (x) == MEM
|| (GET_CODE (x) == REG && REGNO (x) >= FIRST_PSEUDO_REGISTER)
|| (GET_CODE (x) == SUBREG
&& (GET_CODE (SUBREG_REG (x)) == MEM
|| (GET_CODE (SUBREG_REG (x)) == REG
&& REGNO (SUBREG_REG (x)) >= FIRST_PSEUDO_REGISTER))))
&& ((class == FLOAT_REGS
&& (mode == SImode || mode == HImode || mode == QImode))
|| ((mode == QImode || mode == HImode)
&& ! TARGET_BWX && ! aligned_memory_operand (x, mode))))
return GENERAL_REGS;
if (GET_CODE (x) == MEM
|| (GET_CODE (x) == REG && REGNO (x) >= FIRST_PSEUDO_REGISTER)
|| (GET_CODE (x) == SUBREG
&& (GET_CODE (SUBREG_REG (x)) == MEM
|| (GET_CODE (SUBREG_REG (x)) == REG
&& REGNO (SUBREG_REG (x)) >= FIRST_PSEUDO_REGISTER))))
{
if (class == FLOAT_REGS && mode != DImode)
return GENERAL_REGS;
if ((mode == QImode || mode == HImode) && ! TARGET_BWX)
{
if (!in || !aligned_memory_operand(x, mode))
return GENERAL_REGS;
}
}
if (class == FLOAT_REGS)
{