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| author | danglin <danglin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-12-01 02:08:10 +0000 |
|---|---|---|
| committer | danglin <danglin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-12-01 02:08:10 +0000 |
| commit | d1758a578dc925b2694e38d00eca8c3e100b7535 (patch) | |
| tree | 5d1539761e7822dd7f8d1a4d53b6b6ab879f23b2 /gcc/config/pa | |
| parent | cec7e609d951dd58d327638c78d8bb9856027a56 (diff) | |
| download | gcc-d1758a578dc925b2694e38d00eca8c3e100b7535.tar.gz | |
PR middle-end/50283
* config/pa/pa.md (in_branch_delay): Disallow frame related insns.
(in_nullified_branch_delay): Likewise.
(in_call_delay): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181868 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/pa')
| -rw-r--r-- | gcc/config/pa/pa.md | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md index 1be614c3241..d5417febe8b 100644 --- a/gcc/config/pa/pa.md +++ b/gcc/config/pa/pa.md @@ -121,10 +121,12 @@ ;; Attributes for instruction and branch scheduling -;; For conditional branches. +;; For conditional branches. Frame related instructions are not allowed +;; because they confuse the unwind support. (define_attr "in_branch_delay" "false,true" (if_then_else (and (eq_attr "type" "!uncond_branch,btable_branch,branch,cbranch,fbranch,call,dyncall,multi,milli,parallel_branch") - (eq_attr "length" "4")) + (eq_attr "length" "4") + (not (match_test "RTX_FRAME_RELATED_P (insn)"))) (const_string "true") (const_string "false"))) @@ -132,7 +134,8 @@ ;; even if the instruction is nullified. (define_attr "in_nullified_branch_delay" "false,true" (if_then_else (and (eq_attr "type" "!uncond_branch,btable_branch,branch,cbranch,fbranch,call,dyncall,multi,milli,fpcc,fpalu,fpmulsgl,fpmuldbl,fpdivsgl,fpdivdbl,fpsqrtsgl,fpsqrtdbl,parallel_branch") - (eq_attr "length" "4")) + (eq_attr "length" "4") + (not (match_test "RTX_FRAME_RELATED_P (insn)"))) (const_string "true") (const_string "false"))) @@ -140,7 +143,8 @@ ;; delay slot. (define_attr "in_call_delay" "false,true" (cond [(and (eq_attr "type" "!uncond_branch,btable_branch,branch,cbranch,fbranch,call,dyncall,multi,milli,parallel_branch") - (eq_attr "length" "4")) + (eq_attr "length" "4") + (not (match_test "RTX_FRAME_RELATED_P (insn)"))) (const_string "true") (eq_attr "type" "uncond_branch") (if_then_else (match_test "TARGET_JUMP_IN_DELAY") |