diff options
| author | Michael Meissner <meissner@linux.vnet.ibm.com> | 2015-02-06 19:25:54 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@linux.vnet.ibm.com> | 2015-02-06 19:25:54 +0000 |
| commit | 6e13cc646b6c7285576d6817859b7dae2c50c34f (patch) | |
| tree | dce3654e1c1f98c05af3cbd65d58db0069ba10ea | |
| parent | 8af22d29027e0c2bb1b2ae709d792a7fc10d88c5 (diff) | |
Backport pr64205 fix
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/ibm/gcc-4_9-addr@220487 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog.meissner | 10 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 20 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog.meissner | 8 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pr64205.c | 17 |
4 files changed, 51 insertions, 4 deletions
diff --git a/gcc/ChangeLog.meissner b/gcc/ChangeLog.meissner index d83c79fcf21..a373373a3ec 100644 --- a/gcc/ChangeLog.meissner +++ b/gcc/ChangeLog.meissner @@ -1,5 +1,15 @@ 2015-02-06 Michael Meissner <meissner@linux.vnet.ibm.com> + Back port from trunk: + 2015-02-06 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR target/64205 + * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Do not + add a general secondary reload handler for SDmode, unless we have + both read/write support for SDmode. + +2015-02-06 Michael Meissner <meissner@linux.vnet.ibm.com> + Merge up to ibm/gcc-4_9-branch, subversion id 220484. * REVISION: Update subversion id. diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index b5b18411f85..28bb07dc9d2 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -2804,8 +2804,14 @@ rs6000_init_hard_regno_mode_ok (bool global_init_p) reg_addr[DDmode].reload_load = CODE_FOR_reload_dd_di_load; reg_addr[SFmode].reload_store = CODE_FOR_reload_sf_di_store; reg_addr[SFmode].reload_load = CODE_FOR_reload_sf_di_load; - reg_addr[SDmode].reload_store = CODE_FOR_reload_sd_di_store; - reg_addr[SDmode].reload_load = CODE_FOR_reload_sd_di_load; + + /* Only provide a reload handler for SDmode if lfiwzx/stfiwx are + available. */ + if (TARGET_NO_SDMODE_STACK) + { + reg_addr[SDmode].reload_store = CODE_FOR_reload_sd_di_store; + reg_addr[SDmode].reload_load = CODE_FOR_reload_sd_di_load; + } if (TARGET_VSX_TIMODE) { @@ -2858,8 +2864,14 @@ rs6000_init_hard_regno_mode_ok (bool global_init_p) reg_addr[DDmode].reload_load = CODE_FOR_reload_dd_si_load; reg_addr[SFmode].reload_store = CODE_FOR_reload_sf_si_store; reg_addr[SFmode].reload_load = CODE_FOR_reload_sf_si_load; - reg_addr[SDmode].reload_store = CODE_FOR_reload_sd_si_store; - reg_addr[SDmode].reload_load = CODE_FOR_reload_sd_si_load; + + /* Only provide a reload handler for SDmode if lfiwzx/stfiwx are + available. */ + if (TARGET_NO_SDMODE_STACK) + { + reg_addr[SDmode].reload_store = CODE_FOR_reload_sd_si_store; + reg_addr[SDmode].reload_load = CODE_FOR_reload_sd_si_load; + } if (TARGET_VSX_TIMODE) { diff --git a/gcc/testsuite/ChangeLog.meissner b/gcc/testsuite/ChangeLog.meissner index a79d0da9920..666c6a4826f 100644 --- a/gcc/testsuite/ChangeLog.meissner +++ b/gcc/testsuite/ChangeLog.meissner @@ -1,5 +1,13 @@ 2015-02-06 Michael Meissner <meissner@linux.vnet.ibm.com> + Back port from trunk: + 2015-02-06 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR target/64205 + * gcc.target/powerpc/pr64205.c: New file. + +2015-02-06 Michael Meissner <meissner@linux.vnet.ibm.com> + Merge up to ibm/gcc-4_9-branch, subversion id 220484. 2014-12-11 Michael Meissner <meissner@linux.vnet.ibm.com> diff --git a/gcc/testsuite/gcc.target/powerpc/pr64205.c b/gcc/testsuite/gcc.target/powerpc/pr64205.c new file mode 100644 index 00000000000..58e4b980fd8 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr64205.c @@ -0,0 +1,17 @@ +/* { dg-do compile { target { powerpc*-*-* && ilp32 } } } */ +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=G5" } } */ +/* { dg-options "-O2 -mcpu=G5 -maltivec -m32" } */ + +union ieee754r_Decimal32 +{ + _Decimal32 sd; + unsigned int cc0; +}; + +unsigned int +__decoded32 (_Decimal32 a) +{ + union ieee754r_Decimal32 d; + d.sd = a; + return d.cc0; +} |