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riscv-gcc-1
Commit c8608706 by James Van Artsdalen
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(record_reg_life): Mark an unused reg as such, even if it appears in 

SET_SRC.

From-SVN: r1993
parent 8a6c1538
Showing with 1 additions and 2 deletions
gcc/reg-stack.c
...@@ -1106,8 +1106,7 @@ record_reg_life (insn, block, regstack) ...@@ -1106,8 +1106,7 @@ record_reg_life (insn, block, regstack)
REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_DEAD, REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_DEAD,
FP_mode_reg[regno][(int) DFmode], FP_mode_reg[regno][(int) DFmode],
REG_NOTES (insn)); REG_NOTES (insn));
else if (TEST_HARD_REG_BIT (dest, regno) else if (TEST_HARD_REG_BIT (dest, regno))
&& ! TEST_HARD_REG_BIT (src, regno))
REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_UNUSED, REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_UNUSED,
FP_mode_reg[regno][(int) DFmode], FP_mode_reg[regno][(int) DFmode],
REG_NOTES (insn)); REG_NOTES (insn));
......
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