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rs6000.c (rs6000_override_options): Set rs6000_altivec_abi on AIX.

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* config/rs6000/rs6000.c (rs6000_override_options): Set
        rs6000_altivec_abi on AIX.
        (conditional_register_usage): Set VR20:31 fixed on AIX.

From-SVN: r129582
This commit is contained in:
David Edelsohn 2007-10-23 17:12:01 +00:00 committed by David Edelsohn
parent e00e98585b
commit 0db747be5b
2 changed files with 24 additions and 7 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-10-23 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_override_options): Set
rs6000_altivec_abi on AIX.
(conditional_register_usage): Set VR20:31 fixed on AIX.
2007-10-23 Richard Guenther <rguenther@suse.de>
* alias.c (get_alias_set): For INDIRECT_REFs, deal with

25
gcc/config/rs6000/rs6000.c
View File

@ -1570,7 +1570,11 @@ rs6000_override_options (const char *default_cpu)
rs6000_ieeequad = 1;
#endif
/* Set Altivec ABI as default for powerpc64 linux. */
/* Enable Altivec ABI for AIX -maltivec. */
if (TARGET_XCOFF && TARGET_ALTIVEC)
rs6000_altivec_abi = 1;
/* Set Altivec ABI as default for PowerPC64 Linux. */
if (TARGET_ELF && TARGET_64BIT)
{
rs6000_altivec_abi = 1;
@ -4220,9 +4224,6 @@ rs6000_conditional_register_usage (void)
fixed_regs[RS6000_PIC_OFFSET_TABLE_REGNUM]
= call_used_regs[RS6000_PIC_OFFSET_TABLE_REGNUM] = 1;
if (TARGET_ALTIVEC)
global_regs[VSCR_REGNO] = 1;
if (TARGET_SPE)
{
global_regs[SPEFSCR_REGNO] = 1;
@ -4237,16 +4238,26 @@ rs6000_conditional_register_usage (void)
= call_really_used_regs[14] = 1;
}
if (! TARGET_ALTIVEC)
if (!TARGET_ALTIVEC)
{
for (i = FIRST_ALTIVEC_REGNO; i <= LAST_ALTIVEC_REGNO; ++i)
fixed_regs[i] = call_used_regs[i] = call_really_used_regs[i] = 1;
call_really_used_regs[VRSAVE_REGNO] = 1;
}
if (TARGET_ALTIVEC)
global_regs[VSCR_REGNO] = 1;
if (TARGET_ALTIVEC_ABI)
for (i = FIRST_ALTIVEC_REGNO; i < FIRST_ALTIVEC_REGNO + 20; ++i)
call_used_regs[i] = call_really_used_regs[i] = 1;
{
for (i = FIRST_ALTIVEC_REGNO; i < FIRST_ALTIVEC_REGNO + 20; ++i)
call_used_regs[i] = call_really_used_regs[i] = 1;
/* AIX reserves VR20:31 in non-extended ABI mode. */
if (TARGET_XCOFF)
for (i = FIRST_ALTIVEC_REGNO + 20; i < FIRST_ALTIVEC_REGNO + 32; ++i)
fixed_regs[i] = call_used_regs[i] = call_really_used_regs[i] = 1;
}
}
/* Try to output insns to set TARGET equal to the constant C if it can