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| author | Michael Meissner <meissner@linux.vnet.ibm.com> | 2015-02-06 19:15:56 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 2015-02-06 19:15:56 +0000 |
| commit | 46290aa831d1577d081c5d264ae225e21b7a86ef (patch) | |
| tree | ad44551ee6e61e759dc738906bb4456ec7c8371e | |
| parent | 828be03ae9263c8ebb7f6478408091de4e8c4dd6 (diff) | |
| download | gcc-46290aa831d1577d081c5d264ae225e21b7a86ef.zip gcc-46290aa831d1577d081c5d264ae225e21b7a86ef.tar.gz gcc-46290aa831d1577d081c5d264ae225e21b7a86ef.tar.bz2 | |
re PR target/64205 (powerpc64-linux --with-cpu=G5 bootstrap failure)
[gcc]
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.
[gcc/testsuite]
2015-02-06 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/64205
* gcc.target/powerpc/pr64205.c: New file.
From-SVN: r220485
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 20 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pr64205.c | 17 |
4 files changed, 46 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 59ed4b2..7b9d630 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +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 Jakub Jelinek <jakub@redhat.com> PR middle-end/64937 @@ -23,7 +30,7 @@ (h8300_push_pop): Corresponding changes. (h8300_expand_prologue): Likewise. (h8300_swap_into_er6): Likewise. Do not set RTX_FRAME_RELATED_P. - + 2015-02-06 Jakub Jelinek <jakub@redhat.com> PR rtl-optimization/64957 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 4f88328..949c4d22 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -2849,8 +2849,14 @@ 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) { @@ -2903,8 +2909,14 @@ 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 b/gcc/testsuite/ChangeLog index 36c49f7..e3e5444 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-02-06 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR target/64205 + * gcc.target/powerpc/pr64205.c: New file. + 2015-02-06 Uros Bizjak <ubizjak@gmail.com> * gcc.target/i386/pr64317.c: Compile for 32bit *-*-linux* targets. diff --git a/gcc/testsuite/gcc.target/powerpc/pr64205.c b/gcc/testsuite/gcc.target/powerpc/pr64205.c new file mode 100644 index 0000000..58e4b98 --- /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; +} |