[25/44] RISC-V: Implement `riscv_emit_unary' helper

Message ID alpine.DEB.2.20.2311181830580.5892@tpp.orcam.me.uk
State Unresolved
Headers
Series RISC-V: Various if-conversion fixes and improvements |

Checks

Context Check Description
snail/gcc-patch-check warning Git am fail log

Commit Message

Maciej W. Rozycki Nov. 19, 2023, 5:40 a.m. UTC
  Add a `riscv_emit_unary' helper for unary operations, complementing 
`riscv_emit_binary'.

	gcc/
	* config/riscv/riscv-protos.h (riscv_emit_unary): New prototype.
	* config/riscv/riscv.cc (riscv_emit_unary): New function.
---
 gcc/config/riscv/riscv-protos.h |    1 +
 gcc/config/riscv/riscv.cc       |    8 ++++++++
 2 files changed, 9 insertions(+)

gcc-riscv-emit-unary.diff
  

Patch

Index: gcc/gcc/config/riscv/riscv-protos.h
===================================================================
--- gcc.orig/gcc/config/riscv/riscv-protos.h
+++ gcc/gcc/config/riscv/riscv-protos.h
@@ -134,6 +134,7 @@  riscv_zcmp_valid_stack_adj_bytes_p (HOST
 extern void riscv_expand_int_scc (rtx, enum rtx_code, rtx, rtx, bool *invert_ptr = 0);
 extern void riscv_expand_float_scc (rtx, enum rtx_code, rtx, rtx);
 extern void riscv_expand_conditional_branch (rtx, enum rtx_code, rtx, rtx);
+extern rtx riscv_emit_unary (enum rtx_code code, rtx dest, rtx x);
 extern rtx riscv_emit_binary (enum rtx_code code, rtx dest, rtx x, rtx y);
 #endif
 extern bool riscv_expand_conditional_move (rtx, rtx, rtx, rtx);
Index: gcc/gcc/config/riscv/riscv.cc
===================================================================
--- gcc.orig/gcc/config/riscv/riscv.cc
+++ gcc/gcc/config/riscv/riscv.cc
@@ -1703,6 +1703,14 @@  riscv_emit_set (rtx target, rtx src)
   return target;
 }
 
+/* Emit an instruction of the form (set DEST (CODE X)).  */
+
+rtx
+riscv_emit_unary (enum rtx_code code, rtx dest, rtx x)
+{
+  return riscv_emit_set (dest, gen_rtx_fmt_e (code, GET_MODE (dest), x));
+}
+
 /* Emit an instruction of the form (set DEST (CODE X Y)).  */
 
 rtx