From: gengqi <gengqi@linux.alibaba.com>
To: gcc-patches@gcc.gnu.org, gengqi@linux.alibaba.com
Subject: [PATCH 5/7] C-SKY: Add insn "ldbs".
Date: Thu, 29 Oct 2020 21:23:01 +0800 [thread overview]
Message-ID: <20201029132302.1616-5-gengqi@linux.alibaba.com> (raw)
In-Reply-To: <20201029132302.1616-1-gengqi@linux.alibaba.com>
gcc/ChangeLog:
config/csky/csky.md (cskyv2_sextend_ldbs): New insn.
---
gcc/config/csky/csky.md | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/gcc/config/csky/csky.md b/gcc/config/csky/csky.md
index 62875bf..ce9c252 100644
--- a/gcc/config/csky/csky.md
+++ b/gcc/config/csky/csky.md
@@ -1533,6 +1533,7 @@
}"
)
+;; hi -> si
(define_insn "extendhisi2"
[(set (match_operand:SI 0 "register_operand" "=r")
(sign_extend:SI (match_operand:HI 1 "register_operand" "r")))]
@@ -1557,6 +1558,15 @@
"sextb %0, %1"
)
+(define_insn "*cskyv2_sextend_ldbs"
+ [(set (match_operand:SI 0 "register_operand" "=r")
+ (sign_extend:SI (match_operand:QI 1 "csky_simple_mem_operand" "m")))]
+ "CSKY_ISA_FEATURE (E2)"
+ "ld.bs\t%0, %1"
+ [(set_attr "length" "4")
+ (set_attr "type" "load")]
+)
+
;; qi -> hi
(define_insn "extendqihi2"
[(set (match_operand:HI 0 "register_operand" "=r")
--
2.7.4
next prev parent reply other threads:[~2020-10-29 13:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 13:22 [PATCH 1/7] C-SKY: Add fpuv3 instructions and CK860 arch gengqi
2020-10-29 13:22 ` [PATCH 2/7] C-SKY: Delete LO_REGS and HI_REGS, use HILO_REGS instead gengqi
2020-10-29 13:22 ` [PATCH 3/7] C-SKY: Bug fix for bad setting of TARGET_DSP and TARGET_DIV gengqi
2020-10-29 13:23 ` [PATCH 4/7] C-SKY: Separate FRAME_POINTER_REGNUM into FRAME_POINTER_REGNUM and HARD_FRAME_POINTER_REGNUM gengqi
2020-10-29 13:23 ` gengqi [this message]
2020-10-29 13:23 ` [PATCH 6/7] C-SKY: Cases for csky fpuv3 instructions gengqi
2020-10-30 3:28 ` [PATCH 1/7] C-SKY: Add fpuv3 instructions and CK860 arch Cooper Qu
2020-11-13 19:14 ` Jeff Law
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