From 8108da8a555410260039b932301bc6126de0f5e0 Mon Sep 17 00:00:00 2001 From: Andrew Stubbs Date: Tue, 2 Jul 2019 11:57:17 +0000 Subject: [PATCH] Fix amdgcn regrename ICE. 2019-07-02 Andrew Stubbs gcc/ * config/gcn/gcn.md (movdi_symbol_save_scc): Convert to define_insn with inlined save and restore. From-SVN: r272932 --- gcc/ChangeLog | 5 +++++ gcc/config/gcn/gcn.md | 34 ++++++++++++++++++++++++++-------- 2 files changed, 31 insertions(+), 8 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b8f7bab2004..77d8ff3c042 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2019-07-02 Andrew Stubbs + + * config/gcn/gcn.md (movdi_symbol_save_scc): Convert to define_insn + with inlined save and restore. + 2019-07-02 Eric Botcazou * cfgexpand.c (pass_expand::execute): Deal specially with instructions diff --git a/gcc/config/gcn/gcn.md b/gcc/config/gcn/gcn.md index 1f06d0bd5cc..7e5cf17629d 100644 --- a/gcc/config/gcn/gcn.md +++ b/gcc/config/gcn/gcn.md @@ -830,18 +830,36 @@ [(set_attr "type" "mult") (set_attr "length" "32")]) -(define_insn_and_split "movdi_symbol_save_scc" +(define_insn "movdi_symbol_save_scc" [(set (match_operand:DI 0 "nonimmediate_operand" "=Sg") (match_operand:DI 1 "general_operand" "Y")) (clobber (reg:BI CC_SAVE_REG))] - "GET_CODE (operands[1]) == SYMBOL_REF || GET_CODE (operands[1]) == LABEL_REF + "(GET_CODE (operands[1]) == SYMBOL_REF || GET_CODE (operands[1]) == LABEL_REF) && (lra_in_progress || reload_completed)" - "#" - "reload_completed" - [(set (reg:BI CC_SAVE_REG) (reg:BI SCC_REG)) - (parallel [(set (match_dup 0) (match_dup 1)) - (clobber (reg:BI SCC_REG))]) - (set (reg:BI SCC_REG) (reg:BI CC_SAVE_REG))]) + { + /* !!! These sequences clobber CC_SAVE_REG. */ + + if (SYMBOL_REF_P (operands[1]) + && SYMBOL_REF_WEAK (operands[1])) + return "; s_mov_b32\ts22, scc is not supported by the assembler.\;" + ".long\t0xbe9600fd\;" + "s_getpc_b64\t%0\;" + "s_add_u32\t%L0, %L0, %1@gotpcrel32@lo+4\;" + "s_addc_u32\t%H0, %H0, %1@gotpcrel32@hi+4\;" + "s_load_dwordx2\t%0, %0\;" + "s_cmpk_lg_u32\ts22, 0\;" + "s_waitcnt\tlgkmcnt(0)"; + + return "; s_mov_b32\ts22, scc is not supported by the assembler.\;" + ".long\t0xbe9600fd\;" + "s_getpc_b64\t%0\;" + "s_add_u32\t%L0, %L0, %1@rel32@lo+4\;" + "s_addc_u32\t%H0, %H0, %1@rel32@hi+4\;" + "s_cmpk_lg_u32\ts22, 0"; + } + [(set_attr "type" "mult") + (set_attr "length" "40")]) + (define_insn "gcn_indirect_call" [(call (mem (match_operand:DI 0 "register_operand" "Sg")) -- 2.30.2