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riscv-gcc-1
Commit 0c478921 by Bernd Schmidt Committed by Bernd Schmidt
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Fix ia64 float extend splitter crash. 

From-SVN: r37365
parent 6fb85418
Showing with 30 additions and 4 deletions
gcc/ChangeLog
......@@ -3,6 +3,11 @@
* regrename.c (build_def_use): Mark contents of REG_INC notes as
needing replacement.
* config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
a no-op move if regs are equal.
* toplev.c (rest_of_compilation): Do the noop moves elimination pass
when calling jump after post-reload splitting.
2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
* c-tree.texi: Fix typos.
......
gcc/config/ia64/ia64.md
......@@ -1073,7 +1073,14 @@
getf.d %0 = %1"
"reload_completed"
[(set (match_dup 0) (float_extend:DF (match_dup 1)))]
"if (true_regnum (operands[0]) == true_regnum (operands[1])) DONE;"
"
{
if (true_regnum (operands[0]) == true_regnum (operands[1]))
{
emit_insn (gen_movdi (pic_offset_table_rtx, pic_offset_table_rtx));
DONE;
}
}"
[(set_attr "type" "F,F,M,M,M,M")])
(define_insn_and_split "extendsftf2"
......@@ -1089,7 +1096,14 @@
stfe %0 = %1%P0"
"reload_completed"
[(set (match_dup 0) (float_extend:TF (match_dup 1)))]
"if (true_regnum (operands[0]) == true_regnum (operands[1])) DONE;"
"
{
if (true_regnum (operands[0]) == true_regnum (operands[1]))
{
emit_insn (gen_movdi (pic_offset_table_rtx, pic_offset_table_rtx));
DONE;
}
}"
[(set_attr "type" "F,F,M,M,M")])
(define_insn_and_split "extenddftf2"
......@@ -1105,7 +1119,14 @@
stfe %0 = %1%P0"
"reload_completed"
[(set (match_dup 0) (float_extend:TF (match_dup 1)))]
"if (true_regnum (operands[0]) == true_regnum (operands[1])) DONE;"
"
{
if (true_regnum (operands[0]) == true_regnum (operands[1]))
{
emit_insn (gen_movdi (pic_offset_table_rtx, pic_offset_table_rtx));
DONE;
}
}"
[(set_attr "type" "F,F,M,M,M")])
(define_insn "truncdfsf2"
......
gcc/toplev.c
......@@ -3484,7 +3484,7 @@ rest_of_compilation (decl)
open_dump_file (DFI_flow2, decl);
jump_optimize (insns, !JUMP_CROSS_JUMP,
!JUMP_NOOP_MOVES, !JUMP_AFTER_REGSCAN);
JUMP_NOOP_MOVES, !JUMP_AFTER_REGSCAN);
find_basic_blocks (insns, max_reg_num (), rtl_dump_file);
/* On some machines, the prologue and epilogue code, or parts thereof,
......
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