github.com/YosysHQ.yosys
1
0
Fork 0
mirror of synced 2026-05-03 14:50:26 +00:00
Code Issues Releases Wiki Activity

Merge pull request #688 from ZipCPU/rosenfell

Browse Source 
Make rose and fell dependent upon LSB only
This commit is contained in:
Clifford Wolf
2018-11-04 10:04:48 +01:00
committed by GitHub
parent d86ea6badd 39f891aebc
commit 18a4c1cdac
1 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
frontends/ast/simplify.cc
View File

@@ -1874,10 +1874,16 @@ skip_dynamic_range_lvalue_expansion:;
newNode = new AstNode(AST_NE, past, present);
else if (str == "\\$rose")
newNode = new AstNode(AST_LOGIC_AND, new AstNode(AST_LOGIC_NOT, past), present);
newNode = new AstNode(AST_LOGIC_AND,
new AstNode(AST_LOGIC_NOT,
new AstNode(AST_BIT_AND, past, mkconst_int(1,false))),
new AstNode(AST_BIT_AND, present, mkconst_int(1,false)));
else if (str == "\\$fell")
newNode = new AstNode(AST_LOGIC_AND, past, new AstNode(AST_LOGIC_NOT, present));
newNode = new AstNode(AST_LOGIC_AND,
new AstNode(AST_BIT_AND, past, mkconst_int(1,false)),
new AstNode(AST_LOGIC_NOT,
new AstNode(AST_BIT_AND, present, mkconst_int(1,false))));
else
log_abort();