Remove subu.w; change addu.w definition

6 years ago · d286140afe
3 changed files with 1 additions and 5 deletions
--- a/riscv/insns/addu_w.h
+++ b/riscv/insns/addu_w.h
@ -1,3 +1,3 @@
 require_rv64;
 require_extension('B');
-WRITE_RD(sext_xlen(RS1 + zext32(RS2)));
+WRITE_RD(sext_xlen(zext32(RS1) + RS2));
--- a/riscv/insns/subu_w.h
+++ b/riscv/insns/subu_w.h
@ -1,3 +0,0 @@
-require_rv64;
-require_extension('B');
-WRITE_RD(sext_xlen(RS1 - zext32(RS2)));
--- a/riscv/riscv.mk.in
+++ b/riscv/riscv.mk.in
@ -434,7 +434,6 @@ riscv_insn_ext_b = \
 	sroi \
 	sroiw \
 	srow \
-	subu_w \
 	subwu \
 	unshfl \
 	unshfli \