[Qemu-devel] [PATCH] target-tricore: Fix two helper functions (clang warnings)

[Stefan Weil]

clang report:

target-tricore/op_helper.c:1247:24: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1248:25: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1249:19: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1297:24: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1298:25: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1299:19: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]

Cc: Bastian Koppelmann <kbast...@mail.uni-paderborn.de>
Signed-off-by: Stefan Weil <s...@weilnetz.de>
---

I'm not sure whether this is the correct fix, so please review carefully.

Thanks,
Stefan

 target-tricore/op_helper.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c
index ed26b30..52ad80b 100644
--- a/target-tricore/op_helper.c
+++ b/target-tricore/op_helper.c
@@ -1244,9 +1244,9 @@ uint64_t helper_dvinit_b_13(CPUTriCoreState *env, 
uint32_t r1, uint32_t r2)
         quotient_sign = 1;
     }
 
-    abs_sig_dividend = abs(r1) >> 7;
-    abs_base_dividend = abs(r1) & 0x7f;
-    abs_divisor = abs(r1);
+    abs_sig_dividend = abs((int32_t)r1) >> 7;
+    abs_base_dividend = abs((int32_t)r1) & 0x7f;
+    abs_divisor = abs((int32_t)r1);
     /* calc overflow */
     env->PSW_USB_V = 0;
     if ((quotient_sign) && (abs_divisor)) {
@@ -1294,9 +1294,9 @@ uint64_t helper_dvinit_h_13(CPUTriCoreState *env, 
uint32_t r1, uint32_t r2)
         quotient_sign = 1;
     }
 
-    abs_sig_dividend = abs(r1) >> 7;
-    abs_base_dividend = abs(r1) & 0x7f;
-    abs_divisor = abs(r1);
+    abs_sig_dividend = abs((int32_t)r1) >> 7;
+    abs_base_dividend = abs((int32_t)r1) & 0x7f;
+    abs_divisor = abs((int32_t)r1);
     /* calc overflow */
     env->PSW_USB_V = 0;
     if ((quotient_sign) && (abs_divisor)) {
-- 
2.1.4