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authorIan Bolton <ian.bolton@arm.com>2013-03-19 16:18:46 +0000
committerIan Bolton <ibolton@gcc.gnu.org>2013-03-19 16:18:46 +0000
commit5977a10d4a600792417e439d7bc67a514226a125 (patch)
tree0f3fc449269c560c20846a632f40382c6c4a0bad /gcc
parentbd83ff2c6700863b92c59931c4ba4a1bef97a50f (diff)
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AArch64 backend support for ROR instruction.
From-SVN: r196796
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/aarch64/aarch64.md28
-rw-r--r--gcc/testsuite/ChangeLog4
3 files changed, 37 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4b2d216..d55999e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2013-03-19 Ian Bolton <ian.bolton@arm.com>
+ * config/aarch64/aarch64.md (*ror<mode>3_insn): New pattern.
+ (*rorsi3_insn_uxtw): Likewise.
+
+2013-03-19 Ian Bolton <ian.bolton@arm.com>
+
* config/aarch64/aarch64.md (*extr<mode>5_insn): New pattern.
(*extrsi5_insn_uxtw): Likewise.
diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
index 8fc86d4..4358b44 100644
--- a/gcc/config/aarch64/aarch64.md
+++ b/gcc/config/aarch64/aarch64.md
@@ -2731,6 +2731,34 @@
(set_attr "mode" "SI")]
)
+(define_insn "*ror<mode>3_insn"
+ [(set (match_operand:GPI 0 "register_operand" "=r")
+ (rotate:GPI (match_operand:GPI 1 "register_operand" "r")
+ (match_operand 2 "const_int_operand" "n")))]
+ "UINTVAL (operands[2]) < GET_MODE_BITSIZE (<MODE>mode)"
+{
+ operands[3] = GEN_INT (<sizen> - UINTVAL (operands[2]));
+ return "ror\\t%<w>0, %<w>1, %3";
+}
+ [(set_attr "v8type" "shift")
+ (set_attr "mode" "<MODE>")]
+)
+
+;; zero_extend version of the above
+(define_insn "*rorsi3_insn_uxtw"
+ [(set (match_operand:DI 0 "register_operand" "=r")
+ (zero_extend:DI
+ (rotate:SI (match_operand:SI 1 "register_operand" "r")
+ (match_operand 2 "const_int_operand" "n"))))]
+ "UINTVAL (operands[2]) < 32"
+{
+ operands[3] = GEN_INT (32 - UINTVAL (operands[2]));
+ return "ror\\t%w0, %w1, %3";
+}
+ [(set_attr "v8type" "shift")
+ (set_attr "mode" "SI")]
+)
+
(define_insn "*<ANY_EXTEND:optab><GPI:mode>_ashl<SHORT:mode>"
[(set (match_operand:GPI 0 "register_operand" "=r")
(ANY_EXTEND:GPI
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fa69025..e198a6e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,9 @@
2013-03-19 Ian Bolton <ian.bolton@arm.com>
+ * gcc.target/aarch64/ror.c: New test.
+
+2013-03-19 Ian Bolton <ian.bolton@arm.com>
+
* gcc.target/aarch64/extr.c: New test.
2013-03-19 Richard Biener <rguenther@suse.de>