From 241dbd9d6844dc7f9c463674bd1221984eec539e Mon Sep 17 00:00:00 2001 From: Qing Zhao Date: Wed, 11 Oct 2017 19:43:54 +0000 Subject: re PR target/81422 ([aarch64] internal compiler error: in update_equiv_regs, at ira.c:3425) /gcc 2017-10-11 Qing Zhao PR target/81422 * config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Check whether the dest is REG before adding REG_EQUIV note. /gcc/testsuite 2017-10-11 Qing Zhao PR target/81422 * gcc.target/aarch64/pr81422.C: New test. From-SVN: r253657 --- gcc/config/aarch64/aarch64.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'gcc/config') diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 6b3a756..ec05587 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -1490,7 +1490,8 @@ aarch64_load_symref_appropriately (rtx dest, rtx imm, tp = gen_lowpart (mode, tp); emit_insn (gen_rtx_SET (dest, gen_rtx_PLUS (mode, tp, x0))); - set_unique_reg_note (get_last_insn (), REG_EQUIV, imm); + if (REG_P (dest)) + set_unique_reg_note (get_last_insn (), REG_EQUIV, imm); return; } @@ -1524,7 +1525,8 @@ aarch64_load_symref_appropriately (rtx dest, rtx imm, } emit_insn (gen_rtx_SET (dest, gen_rtx_PLUS (mode, tp, tmp_reg))); - set_unique_reg_note (get_last_insn (), REG_EQUIV, imm); + if (REG_P (dest)) + set_unique_reg_note (get_last_insn (), REG_EQUIV, imm); return; } @@ -1565,7 +1567,8 @@ aarch64_load_symref_appropriately (rtx dest, rtx imm, gcc_unreachable (); } - set_unique_reg_note (get_last_insn (), REG_EQUIV, imm); + if (REG_P (dest)) + set_unique_reg_note (get_last_insn (), REG_EQUIV, imm); return; } @@ -1594,7 +1597,8 @@ aarch64_load_symref_appropriately (rtx dest, rtx imm, emit_insn (gen_tlsie_tiny_sidi (dest, imm, tp)); } - set_unique_reg_note (get_last_insn (), REG_EQUIV, imm); + if (REG_P (dest)) + set_unique_reg_note (get_last_insn (), REG_EQUIV, imm); return; } -- cgit v1.1