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| author | Peter Bergner <bergner@vnet.ibm.com> | 2009-04-01 01:41:07 +0000 |
|---|---|---|
| committer | Peter Bergner <bergner@vnet.ibm.com> | 2009-04-01 01:41:07 +0000 |
| commit | 42240548bff3ab683ff48c8eb0de53d1a9068aa4 (patch) | |
| tree | 6f27e47a29a67fb709f7ccc438e7eef408305699 /gas/config | |
| parent | 1aa34cc52cb0b371e8663b77100bb7a26627c41c (diff) | |
| download | gdb-42240548bff3ab683ff48c8eb0de53d1a9068aa4.zip gdb-42240548bff3ab683ff48c8eb0de53d1a9068aa4.tar.gz gdb-42240548bff3ab683ff48c8eb0de53d1a9068aa4.tar.bz2 | |
gas/
* config/tc-ppc.c (ppc_handle_align): Handle power7's group ending nop.
gas/testsuite/
* gas/ppc/power7.d ("ori", ".p2align"): Add tests for group ending nop.
* gas/ppc/power7.s: Likewise.
* gas/ppc/power6.d: Likewise.
* gas/ppc/power6.s: Likewise.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-ppc.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index 537b676..0b0edbd 100644 --- a/gas/config/tc-ppc.c +++ b/gas/config/tc-ppc.c @@ -5687,13 +5687,14 @@ ppc_handle_align (struct frag *fragP) fragP->fr_var = 4; md_number_to_chars (dest, 0x60000000, 4); - if ((ppc_cpu & PPC_OPCODE_POWER6) != 0) + if ((ppc_cpu & PPC_OPCODE_POWER6) != 0 + || (ppc_cpu & PPC_OPCODE_POWER7) != 0) { - /* For power6, we want the last nop to be a group terminating - one, "ori 1,1,0". Do this by inserting an rs_fill frag - immediately after this one, with its address set to the last - nop location. This will automatically reduce the number of - nops in the current frag by one. */ + /* For power6 and power7, we want the last nop to be a group + terminating one. Do this by inserting an rs_fill frag immediately + after this one, with its address set to the last nop location. + This will automatically reduce the number of nops in the current + frag by one. */ if (count > 4) { struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4); @@ -5707,7 +5708,12 @@ ppc_handle_align (struct frag *fragP) dest = group_nop->fr_literal; } - md_number_to_chars (dest, 0x60210000, 4); + if ((ppc_cpu & PPC_OPCODE_POWER7) != 0) + /* power7 group terminating nop: "ori 2,2,0". */ + md_number_to_chars (dest, 0x60420000, 4); + else + /* power6 group terminating nop: "ori 1,1,0". */ + md_number_to_chars (dest, 0x60210000, 4); } } } |