From 1255c03ad53e732fb5abe39878429c30e758e701 Mon Sep 17 00:00:00 2001 From: Tom de Vries Date: Tue, 6 Sep 2011 10:02:41 +0000 Subject: [PATCH] recog.c (asm_labels_ok): New function. 2011-09-06 Tom de Vries * recog.c (asm_labels_ok): New function. (check_asm_operands): Use asm_labels_ok. From-SVN: r178580 --- gcc/ChangeLog | 5 +++++ gcc/recog.c | 22 ++++++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b8c0c4ecfad..a88e2dc91ad 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-09-06 Tom de Vries + + * recog.c (asm_labels_ok): New function. + (check_asm_operands): Use asm_labels_ok. + 2011-09-05 Richard Sandiford PR target/49606 diff --git a/gcc/recog.c b/gcc/recog.c index 22a5402f00f..d3ecb73c4e8 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -118,6 +118,25 @@ init_recog (void) } +/* Return true if labels in asm operands BODY are LABEL_REFs. */ + +static bool +asm_labels_ok (rtx body) +{ + rtx asmop; + int i; + + asmop = extract_asm_operands (body); + if (asmop == NULL_RTX) + return true; + + for (i = 0; i < ASM_OPERANDS_LABEL_LENGTH (asmop); i++) + if (GET_CODE (ASM_OPERANDS_LABEL (asmop, i)) != LABEL_REF) + return false; + + return true; +} + /* Check that X is an insn-body for an `asm' with operands and that the operands mentioned in it are legitimate. */ @@ -129,6 +148,9 @@ check_asm_operands (rtx x) const char **constraints; int i; + if (!asm_labels_ok (x)) + return 0; + /* Post-reload, be more strict with things. */ if (reload_completed) { -- 2.30.2