61 lines
2.1 KiB
Diff
61 lines
2.1 KiB
Diff
|
diff -urp a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
|
||
|
|
--- a/gcc/config/arm/arm.c 2019-01-18 11:25:20.840179114 +0800
|
||
|
|
+++ b/gcc/config/arm/arm.c 2019-01-18 11:25:47.548179817 +0800
|
||
|
|
@@ -14306,18 +14306,36 @@ gen_movmem_ldrd_strd (rtx *operands)
|
||
|
|
emit_move_insn (reg0, src);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
- emit_insn (gen_unaligned_loadsi (low_reg, src));
|
||
|
|
- src = next_consecutive_mem (src);
|
||
|
|
- emit_insn (gen_unaligned_loadsi (hi_reg, src));
|
||
|
|
+ if (flag_lsrd_be_adjust && BYTES_BIG_ENDIAN && WORDS_BIG_ENDIAN)
|
||
|
|
+ {
|
||
|
|
+ emit_insn (gen_unaligned_loadsi (hi_reg, src));
|
||
|
|
+ src = next_consecutive_mem (src);
|
||
|
|
+ emit_insn (gen_unaligned_loadsi (low_reg, src));
|
||
|
|
+ }
|
||
|
|
+ else
|
||
|
|
+ {
|
||
|
|
+ emit_insn (gen_unaligned_loadsi (low_reg, src));
|
||
|
|
+ src = next_consecutive_mem (src);
|
||
|
|
+ emit_insn (gen_unaligned_loadsi (hi_reg, src));
|
||
|
|
+ }
|
||
|
|
}
|
||
|
|
|
||
|
|
if (dst_aligned)
|
||
|
|
emit_move_insn (dst, reg0);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
- emit_insn (gen_unaligned_storesi (dst, low_reg));
|
||
|
|
- dst = next_consecutive_mem (dst);
|
||
|
|
- emit_insn (gen_unaligned_storesi (dst, hi_reg));
|
||
|
|
+ if (flag_lsrd_be_adjust && BYTES_BIG_ENDIAN && WORDS_BIG_ENDIAN)
|
||
|
|
+ {
|
||
|
|
+ emit_insn (gen_unaligned_storesi (dst, hi_reg));
|
||
|
|
+ dst = next_consecutive_mem (dst);
|
||
|
|
+ emit_insn (gen_unaligned_storesi (dst, low_reg));
|
||
|
|
+ }
|
||
|
|
+ else
|
||
|
|
+ {
|
||
|
|
+ emit_insn (gen_unaligned_storesi (dst, low_reg));
|
||
|
|
+ dst = next_consecutive_mem (dst);
|
||
|
|
+ emit_insn (gen_unaligned_storesi (dst, hi_reg));
|
||
|
|
+ }
|
||
|
|
}
|
||
|
|
|
||
|
|
src = next_consecutive_mem (src);
|
||
|
|
diff -urp a/gcc/config/arm/arm.opt b/gcc/config/arm/arm.opt
|
||
|
|
--- a/gcc/config/arm/arm.opt 2019-01-18 11:25:20.840179114 +0800
|
||
|
|
+++ b/gcc/config/arm/arm.opt 2019-01-18 11:28:51.744184666 +0800
|
||
|
|
@@ -274,6 +274,10 @@ masm-syntax-unified
|
||
|
|
Target Report Var(inline_asm_unified) Init(0) Save
|
||
|
|
Assume unified syntax for inline assembly code.
|
||
|
|
|
||
|
|
+mlsrd-be-adjust
|
||
|
|
+Target Report Var(flag_lsrd_be_adjust) Init(1)
|
||
|
|
+Adjust ldrd/strd splitting order when it's big-endian.
|
||
|
|
+
|
||
|
|
mpure-code
|
||
|
|
Target Report Var(target_pure_code) Init(0)
|
||
|
|
Do not allow constant data to be placed in code sections.
|