Reduced the target stage of the new envars: all -> synth.

Signed-off-by: Jaehyun Kim <[email protected]>

Author: jhkim-pii

docs/user/FlowVariables.md

@@ -280,6 +280,8 @@ configuration file.
 - [SYNTH_NETLIST_FILES](#SYNTH_NETLIST_FILES)
 - [SYNTH_OPT_HIER](#SYNTH_OPT_HIER)
 - [SYNTH_RETIME_MODULES](#SYNTH_RETIME_MODULES)
+- [SYNTH_WRAPPED_ADDERS](#SYNTH_WRAPPED_ADDERS)
+- [SYNTH_WRAPPED_MULTIPLIERS](#SYNTH_WRAPPED_MULTIPLIERS)
 - [TIEHI_CELL_AND_PORT](#TIEHI_CELL_AND_PORT)
 - [TIELO_CELL_AND_PORT](#TIELO_CELL_AND_PORT)
 - [VERILOG_DEFINES](#VERILOG_DEFINES)
@@ -452,8 +454,6 @@ configuration file.
 
 - [OPENROAD_HIERARCHICAL](#OPENROAD_HIERARCHICAL)
 - [SWAP_ARITH_OPERATORS](#SWAP_ARITH_OPERATORS)
-- [SYNTH_WRAPPED_ADDERS](#SYNTH_WRAPPED_ADDERS)
-- [SYNTH_WRAPPED_MULTIPLIERS](#SYNTH_WRAPPED_MULTIPLIERS)
 - [SYNTH_WRAPPED_OPERATORS](#SYNTH_WRAPPED_OPERATORS)
 
 ## generate_abstract variables

flow/scripts/variables.yaml

@@ -303,13 +303,13 @@ SYNTH_WRAPPED_ADDERS:
     Specify the adder modules that can be used for synthesis, separated by commas.
     The default adder module is determined by the first element of this variable.
   stages:
-    - All stages
+    - synth
 SYNTH_WRAPPED_MULTIPLIERS:
   description: >
     Specify the multiplier modules that can be used for synthesis, separated by commas.
     The default multiplier module is determined by the first element of this variable.
   stages:
-    - All stages
+    - synth
 SWAP_ARITH_OPERATORS:
   description: >
     Improve timing QoR by swapping ALU and MULT arithmetic operators.