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Support {CEIL, FLOOR, ROUND}_{DIV, MOD}_EXPR and EXACT_DIV_EXPR in GIMPLE FE

Message ID 20240417121136.7B6BB3858D37@sourceware.org
State New
Headers show
Series Support {CEIL, FLOOR, ROUND}_{DIV, MOD}_EXPR and EXACT_DIV_EXPR in GIMPLE FE | expand

Commit Message

Richard Biener April 17, 2024, 12:11 p.m. UTC 
The following adds support for the various division and modulo operators
to the GIMPLE frontend via __{CEIL,FLOOR,ROUND}_{DIV,MOD} and
__EXACT_DIV operators.

Bootstrapped and tested on x86_64-unknown-linux-gnu, queued for stage1.

Richard.

gcc/c/
	* gimple-parser.cc (c_parser_gimple_binary_expression):
	Parse __{CEIL,FLOOR,ROUND}_{DIV,MOD} and __EXACT_DIV.

gcc/testsuite/
	* gcc.dg/gimplefe-53.c: New testcase.
---
 gcc/c/gimple-parser.cc             | 35 ++++++++++++++++++++++++++++++
 gcc/testsuite/gcc.dg/gimplefe-53.c | 16 ++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/gimplefe-53.c
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Patch

diff --git a/gcc/c/gimple-parser.cc b/gcc/c/gimple-parser.cc
index 2dac41a335a..d156d83cd37 100644
--- a/gcc/c/gimple-parser.cc
+++ b/gcc/c/gimple-parser.cc
@@ -1055,6 +1055,41 @@  c_parser_gimple_binary_expression (gimple_parser &parser, tree ret_type)
 	    code = LTGT_EXPR;
 	    break;
 	  }
+	else if (strcmp (IDENTIFIER_POINTER (id), "__FLOOR_DIV") == 0)
+	  {
+	    code = FLOOR_DIV_EXPR;
+	    break;
+	  }
+	else if (strcmp (IDENTIFIER_POINTER (id), "__ROUND_DIV") == 0)
+	  {
+	    code = ROUND_DIV_EXPR;
+	    break;
+	  }
+	else if (strcmp (IDENTIFIER_POINTER (id), "__EXACT_DIV") == 0)
+	  {
+	    code = EXACT_DIV_EXPR;
+	    break;
+	  }
+	else if (strcmp (IDENTIFIER_POINTER (id), "__CEIL_DIV") == 0)
+	  {
+	    code = CEIL_DIV_EXPR;
+	    break;
+	  }
+	else if (strcmp (IDENTIFIER_POINTER (id), "__FLOOR_MOD") == 0)
+	  {
+	    code = FLOOR_MOD_EXPR;
+	    break;
+	  }
+	else if (strcmp (IDENTIFIER_POINTER (id), "__ROUND_MOD") == 0)
+	  {
+	    code = ROUND_MOD_EXPR;
+	    break;
+	  }
+	else if (strcmp (IDENTIFIER_POINTER (id), "__CEIL_MOD") == 0)
+	  {
+	    code = CEIL_MOD_EXPR;
+	    break;
+	  }
       }
       /* Fallthru.  */
     default:
diff --git a/gcc/testsuite/gcc.dg/gimplefe-53.c b/gcc/testsuite/gcc.dg/gimplefe-53.c
new file mode 100644
index 00000000000..926c77c74d4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/gimplefe-53.c
@@ -0,0 +1,16 @@ 
+/* { dg-do compile } */
+/* { dg-options "-fgimple" } */
+
+int __GIMPLE
+foo (int a, int b)
+{
+  int tem;
+  tem = a __EXACT_DIV b;
+  tem = tem __CEIL_DIV b;
+  tem = tem __FLOOR_DIV b;
+  tem = tem __ROUND_DIV b;
+  tem = tem __FLOOR_MOD b;
+  tem = tem __CEIL_MOD b;
+  tem = tem __ROUND_MOD b;
+  return tem;
+}