diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 5ed32b7..7223ffa 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -3575,11 +3575,29 @@ rs6000_emit_move (rtx dest, rtx source, enum machine_mode mode) /* Recognize the case where operand[1] is a reference to thread-local data and load its address to a register. */ - if (GET_CODE (operands[1]) == SYMBOL_REF) + if (rs6000_tls_referenced_p (operands[1])) { - enum tls_model model = SYMBOL_REF_TLS_MODEL (operands[1]); - if (model != 0) - operands[1] = rs6000_legitimize_tls_address (operands[1], model); + enum tls_model model; + rtx tmp = operands[1]; + rtx addend = NULL; + + if (GET_CODE (tmp) == CONST && GET_CODE (XEXP (tmp, 0)) == PLUS) + { + addend = XEXP (XEXP (tmp, 0), 1); + tmp = XEXP (XEXP (tmp, 0), 0); + } + + gcc_assert (GET_CODE (tmp) == SYMBOL_REF); + model = SYMBOL_REF_TLS_MODEL (tmp); + gcc_assert (model != 0); + + tmp = rs6000_legitimize_tls_address (tmp, model); + if (addend) + { + tmp = gen_rtx_PLUS (mode, tmp, addend); + tmp = force_operand (tmp, operands[0]); + } + operands[1] = tmp; } /* Handle the case where reload calls us with an invalid address. */ |