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| author | Christoph Müllner <christoph.muellner@vrull.eu> | 2023-04-24 23:09:06 +0200 |
|---|---|---|
| committer | Kito Cheng <kito.cheng@sifive.com> | 2023-07-12 16:05:50 +0800 |
| commit | 93973e4c5d3bcde1f84cad3b42a8c36e23900d19 (patch) | |
| tree | 1f8362461b4e77dd902ed13f1e6277558fbf0274 | |
| parent | d05c8b016fb96cdcc445406469867b757776894e (diff) | |
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riscv: xtheadmempair: Fix CFA reg notes
The current implementation triggers an assertion in
dwarf2out_frame_debug_cfa_offset() under certain circumstances.
The standard code uses REG_FRAME_RELATED_EXPR notes instead
of REG_CFA_OFFSET notes when saving registers on the stack.
So let's do this as well.
gcc/ChangeLog:
* config/riscv/thead.cc (th_mempair_save_regs):
Emit REG_FRAME_RELATED_EXPR notes in prologue.
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
| -rw-r--r-- | gcc/config/riscv/thead.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/config/riscv/thead.cc b/gcc/config/riscv/thead.cc index 7520380..d7e3cf8 100644 --- a/gcc/config/riscv/thead.cc +++ b/gcc/config/riscv/thead.cc @@ -368,8 +368,12 @@ th_mempair_save_regs (rtx operands[4]) rtx set2 = gen_rtx_SET (operands[2], operands[3]); rtx insn = emit_insn (gen_rtx_PARALLEL (VOIDmode, gen_rtvec (2, set1, set2))); RTX_FRAME_RELATED_P (insn) = 1; - add_reg_note (insn, REG_CFA_OFFSET, copy_rtx (set1)); - add_reg_note (insn, REG_CFA_OFFSET, copy_rtx (set2)); + + REG_NOTES (insn) = alloc_EXPR_LIST (REG_FRAME_RELATED_EXPR, + copy_rtx (set1), REG_NOTES (insn)); + + REG_NOTES (insn) = alloc_EXPR_LIST (REG_FRAME_RELATED_EXPR, + copy_rtx (set2), REG_NOTES (insn)); } /* Similar like riscv_restore_reg, but restores two registers from memory |