diff options
| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1997-10-22 06:31:00 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1997-10-22 06:31:00 +0000 |
| commit | 1cdf4fe0553d5ba735f6b3a4f80a8f1f18887217 (patch) | |
| tree | 352631ff0caab212ae7dea72755c53696785ae04 | |
| parent | 1fc21d30b8414d83f1cf629b845542ffeaadf3ea (diff) | |
| download | gcc-1cdf4fe0553d5ba735f6b3a4f80a8f1f18887217.tar.gz | |
* rs6000.md (*movsi_got_internal_mem): New pattern.
(*movsi_got_internal_mem splitter): New define_split.
Fixes some egcs bugs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@16146 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 28 |
2 files changed, 33 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8b80c2e95af..baf82575663 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com) + + * rs6000.md (*movsi_got_internal_mem): New pattern. + (*movsi_got_internal_mem splitter): New define_split. + Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com> * obstack.h (obstack_empty_p): Fix spurious space after backslash. diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index ce2435edc66..39877c0d458 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -5156,6 +5156,34 @@ "{l|lwz} %0,%a1@got(%2)" [(set_attr "type" "load")]) +;; Sometimes, though, the GOT `register' will be on the stack. Deal with +;; this case specially. +;; Force final to split this insn (if it hasn't been split already) to +;; avoid having to create a suitable output template. +(define_insn "*movsi_got_internal_mem" + [(set (match_operand:SI 0 "register_operand" "=r") + (unspec [(match_operand:SI 1 "got_no_const_operand" "") + (match_operand:SI 2 "memory_operand" "m")] 8))] + "(DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS) + && flag_pic == 1 + && (reload_in_progress || reload_completed)" + "#" + [(set_attr "type" "load") + (set_attr "length" "8")]) + +;; Used by sched, shorten_branches and final when the GOT pseudo reg +;; didn't get allocated to a hard register. +(define_split + [(set (match_operand:SI 0 "register_operand" "=r") + (unspec [(match_operand:SI 1 "got_no_const_operand" "") + (match_operand:SI 2 "memory_operand" "m")] 8))] + "(DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS) + && flag_pic == 1 + && (reload_in_progress || reload_completed)" + [(set (match_dup 0) (match_dup 2)) + (set (match_dup 0) (unspec [(match_dup 1)(match_dup 0)] 8))] + "") + ;; For SI, we special-case integers that can't be loaded in one insn. We ;; do the load 16-bits at a time. We could do this by loading from memory, ;; and this is even supposed to be faster, but it is simpler not to get |