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| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2017-03-23 14:55:48 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2017-03-23 14:55:48 +0000 |
| commit | de2b3f5ca93a5627988f274e5e325d023e01f2a1 (patch) | |
| tree | db67b3141ce9a6dd484355088107db04d452f91a /gcc/config | |
| parent | 2e6315ef8c8a0f607fe86c7b7cf7d89549caa1e9 (diff) | |
| download | gcc-de2b3f5ca93a5627988f274e5e325d023e01f2a1.zip gcc-de2b3f5ca93a5627988f274e5e325d023e01f2a1.tar.gz gcc-de2b3f5ca93a5627988f274e5e325d023e01f2a1.tar.bz2 | |
[ARM] PR target/71436: Restrict *load_multiple pattern till after LRA
PR target/71436
* config/arm/arm.md (*load_multiple): Add reload_completed to
matching condition.
* gcc.c-torture/compile/pr71436.c: New test.
From-SVN: r246419
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/arm/arm.md | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 8720a71..71cc109 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -11832,12 +11832,15 @@ ;; Patterns in ldmstm.md don't cover more than 4 registers. This pattern covers ;; large lists without explicit writeback generated for APCS_FRAME epilogue. +;; The operands are validated through the load_multiple_operation +;; match_parallel predicate rather than through constraints so enable it only +;; after reload. (define_insn "*load_multiple" [(match_parallel 0 "load_multiple_operation" [(set (match_operand:SI 2 "s_register_operand" "=rk") (mem:SI (match_operand:SI 1 "s_register_operand" "rk"))) ])] - "TARGET_32BIT" + "TARGET_32BIT && reload_completed" "* { arm_output_multireg_pop (operands, /*return_pc=*/false, |