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| author | David Edelsohn <edelsohn@gnu.org> | 2007-10-23 17:12:01 +0000 |
|---|---|---|
| committer | David Edelsohn <dje@gcc.gnu.org> | 2007-10-23 13:12:01 -0400 |
| commit | 0db747be5b9d91345662c1d172dfbb39877b8805 (patch) | |
| tree | ffb98b4041f5eff4110bacf0ae4e8b504d231d4e /gcc | |
| parent | e00e98585bb9b0edd1a7f41bb2c989be8467850d (diff) | |
| download | gcc-0db747be5b9d91345662c1d172dfbb39877b8805.zip gcc-0db747be5b9d91345662c1d172dfbb39877b8805.tar.gz gcc-0db747be5b9d91345662c1d172dfbb39877b8805.tar.bz2 | |
rs6000.c (rs6000_override_options): Set rs6000_altivec_abi on AIX.
* 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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 25 |
2 files changed, 24 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4384c63..7faa8c3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 024eda7..cbbb8a8 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -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 |