re PR target/66140 (ICE at extract_insn, at recog.c:2343 when compiling for alpha with gcc-5.1.1)

	PR target/66140
	* config/alpha/alpha.c (get_aligned_mem): Also look for reload
	replacements in memory addresses.
	(get_unaligned_address): Ditto.

testsuite/ChangeLog:

	PR target/66140
	* gcc.target/alpha/pr66140.c: New test.

From-SVN: r223232

4 files changed, 67 insertions, 5 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3dec6b1..da14ae8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2015-05-16  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/66140
+	* config/alpha/alpha.c (get_aligned_mem): Also look for reload
+	replacements in memory addresses.
+	(get_unaligned_address): Ditto.
+
 2015-05-15  Marc Glisse  <marc.glisse@inria.fr>
 
 	PR tree-optimization/64454
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index c52834d..6865321 100644
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -1556,8 +1556,7 @@ get_aligned_mem (rtx ref, rtx *paligned_mem, rtx *pbitnum)
 
   gcc_assert (MEM_P (ref));
 
-  if (reload_in_progress
-      && ! memory_address_p (GET_MODE (ref), XEXP (ref, 0)))
+  if (reload_in_progress)
     {
       base = find_replacement (&XEXP (ref, 0));
       gcc_assert (memory_address_p (GET_MODE (ref), base));
@@ -1602,11 +1601,9 @@ get_unaligned_address (rtx ref)
 
   gcc_assert (MEM_P (ref));
 
-  if (reload_in_progress
-      && ! memory_address_p (GET_MODE (ref), XEXP (ref, 0)))
+  if (reload_in_progress)
     {
       base = find_replacement (&XEXP (ref, 0));
-
       gcc_assert (memory_address_p (GET_MODE (ref), base));
     }
   else
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index cdd1c28..123dadf 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-05-16  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/66140
+	* gcc.target/alpha/pr66140.c: New test.
+
 2015-05-15  Mikhail Maltsev  <maltsevm@gmail.com>
 
 	PR c/48956
diff --git a/gcc/testsuite/gcc.target/alpha/pr66140.c b/gcc/testsuite/gcc.target/alpha/pr66140.c
new file mode 100644
index 0000000..d559f69
--- /dev/null
+++ b/gcc/testsuite/gcc.target/alpha/pr66140.c
@@ -0,0 +1,53 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mcpu=ev4" } */
+
+struct scsi_cmnd {
+	int sc_data_direction;
+};
+struct lpfc_hba {
+	unsigned cfg_total_seg_cnt;
+};
+struct lpfc_scsi_buf {
+	struct scsi_cmnd *pCmd;
+	unsigned seg_cnt;
+	unsigned *fcp_bpl;
+};
+
+extern void *sg_next(void *sg);
+extern void *scsi_sglist(struct scsi_cmnd *cmd);
+extern unsigned scsi_sg_count(struct scsi_cmnd *cmd);
+
+static inline void dma_map_sg_attrs(void *sg, int nents, int dir)
+{
+	int i;
+
+	for (i = 0; i < nents; i++, sg = sg_next(sg))
+		;
+
+	if (!dir)
+		asm volatile( "call_pal %0" : : "i"(129));
+}
+
+static inline void lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
+				     unsigned *pde5)
+{
+	void *sgde;
+	int i;
+
+	*pde5 = (((0x85 & 0x000000ff) << 24) | (*pde5 & ~(0x000000ff << 24)));
+	for (i = 0, sgde = scsi_sglist(sc); i < 2; i++, sgde = sg_next(sgde))
+		;
+}
+
+void lpfc_bg_scsi_prep_dma_buf_s3(struct lpfc_hba *phba,
+				  struct lpfc_scsi_buf *lpfc_cmd)
+{
+	struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd;
+	unsigned *bpl = lpfc_cmd->fcp_bpl;
+
+	dma_map_sg_attrs(scsi_sglist(scsi_cmnd),
+			 scsi_sg_count(scsi_cmnd),
+			 scsi_cmnd->sc_data_direction);
+	if (lpfc_cmd->seg_cnt > phba->cfg_total_seg_cnt)
+		lpfc_bg_setup_bpl(phba, scsi_cmnd, bpl);
+}