I noticed this while working on vcond patterns for sparc.
Committed to trunk.
gcc/
* config/sparc/sparc.md (cmask patterns): Allow zero operand.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180715
138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 2 ++
gcc/config/sparc/sparc.md | 6 +++---
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4848147..ebf8cdc 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
2011-10-31 David S. Miller <da...@davemloft.net>
+ * config/sparc/sparc.md (cmask patterns): Allow zero operand.
+
* dwarf2out.c (cached_next_real_insn): New.
(dwarf2out_end_epilogue): Set it to NULL_RTX.
(dwarf2out_var_location): Remove cached_next_real_insn local static.
diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md
index 6dd3909..fbd1a87 100644
--- a/gcc/config/sparc/sparc.md
+++ b/gcc/config/sparc/sparc.md
@@ -8452,7 +8452,7 @@
;; Conditional moves are possible via fcmpX --> cmaskX -> bshuffle
(define_insn "cmask8<P:mode>_vis"
[(set (reg:DI GSR_REG)
- (unspec:DI [(match_operand:P 0 "register_operand" "r")
+ (unspec:DI [(match_operand:P 0 "register_or_zero_operand" "rJ")
(reg:DI GSR_REG)]
UNSPEC_CMASK8))]
"TARGET_VIS3"
@@ -8460,7 +8460,7 @@
(define_insn "cmask16<P:mode>_vis"
[(set (reg:DI GSR_REG)
- (unspec:DI [(match_operand:P 0 "register_operand" "r")
+ (unspec:DI [(match_operand:P 0 "register_or_zero_operand" "rJ")
(reg:DI GSR_REG)]
UNSPEC_CMASK16))]
"TARGET_VIS3"
@@ -8468,7 +8468,7 @@
(define_insn "cmask32<P:mode>_vis"
[(set (reg:DI GSR_REG)
- (unspec:DI [(match_operand:P 0 "register_operand" "r")
+ (unspec:DI [(match_operand:P 0 "register_or_zero_operand" "rJ")
(reg:DI GSR_REG)]
UNSPEC_CMASK32))]
"TARGET_VIS3"
--
1.7.6.401.g6a319
