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[PULL,v2,32/44] target/hexagon: fix = vs. == mishap

Message ID 20230518200411.271148-33-tsimpson@quicinc.com (mailing list archive)
State New, archived
Headers show
Series [PULL,v2,01/44] Hexagon (target/hexagon) Add support for v68/v69/v71/v73 | expand

Commit Message

Taylor Simpson May 18, 2023, 8:03 p.m. UTC 
From: Paolo Bonzini <pbonzini@redhat.com>

**** Changes in v2 ****
Fix yyassert's for sign and zero extends

Coverity reports a parameter that is "set but never used".  This is caused
by an assignment operator being used instead of equality.

Co-authored-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Tested-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20230428204411.1400931-1-tsimpson@quicinc.com>
---
 target/hexagon/idef-parser/parser-helpers.c | 2 +-
 target/hexagon/idef-parser/idef-parser.y    | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/target/hexagon/idef-parser/parser-helpers.c b/target/hexagon/idef-parser/parser-helpers.c
index 9550097269..7b5ebafec2 100644
--- a/target/hexagon/idef-parser/parser-helpers.c
+++ b/target/hexagon/idef-parser/parser-helpers.c
@@ -1120,7 +1120,7 @@  HexValue gen_extend_op(Context *c,
                        HexValue *value,
                        HexSignedness signedness)
 {
-    unsigned bit_width = (dst_width = 64) ? 64 : 32;
+    unsigned bit_width = (dst_width == 64) ? 64 : 32;
     HexValue value_m = *value;
     HexValue src_width_m = *src_width;
 
diff --git a/target/hexagon/idef-parser/idef-parser.y b/target/hexagon/idef-parser/idef-parser.y
index 5f3907eb28..5c983954ed 100644
--- a/target/hexagon/idef-parser/idef-parser.y
+++ b/target/hexagon/idef-parser/idef-parser.y
@@ -683,7 +683,7 @@  rvalue : FAIL
              yyassert(c, &@1, $5.type == IMMEDIATE &&
                       $5.imm.type == VALUE,
                       "SXT expects immediate values\n");
-             $$ = gen_extend_op(c, &@1, &$3, $5.imm.value, &$7, SIGNED);
+             $$ = gen_extend_op(c, &@1, &$3, 64, &$7, SIGNED);
          }
        | ZXT '(' rvalue ',' IMM ',' rvalue ')'
          {
@@ -691,7 +691,7 @@  rvalue : FAIL
              yyassert(c, &@1, $5.type == IMMEDIATE &&
                       $5.imm.type == VALUE,
                       "ZXT expects immediate values\n");
-             $$ = gen_extend_op(c, &@1, &$3, $5.imm.value, &$7, UNSIGNED);
+             $$ = gen_extend_op(c, &@1, &$3, 64, &$7, UNSIGNED);
          }
        | '(' rvalue ')'
          {