From 6bbbb0ac136102098a70b97ab0c07bc7bf53131c Mon Sep 17 00:00:00 2001 From: Pranith Kumar Date: Tue, 9 Aug 2016 15:02:28 -0400 Subject: target-arm: Fix warn about implicit conversion Clang warns about an implicit conversion as follows: /mnt/devops/code/qemu/target-arm/neon_helper.c:1075:1: warning: implicit conversion from 'int' to 'int8_t' (aka 'signed char') changes value from 128 to -128 [-Wconstant-conversion] NEON_VOP_ENV(qrshl_s8, neon_s8, 4) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /mnt/devops/code/qemu/target-arm/neon_helper.c:116:83: note: expanded from macro 'NEON_VOP_ENV' uint32_t HELPER(glue(neon_,name))(CPUARMState *env, uint32_t arg1, uint32_t arg2) \ ^ /mnt/devops/code/qemu/target-arm/neon_helper.c:106:5: note: expanded from macro '\ NEON_VOP_BODY' NEON_DO##n; \ ^~~~~~~~~~ :21:1: note: expanded from here NEON_DO4 ^~~~~~~~ /mnt/devops/code/qemu/target-arm/neon_helper.c:93:5: note: expanded from macro 'NEON_DO4' NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /mnt/devops/code/qemu/target-arm/neon_helper.c:1054:23: note: expanded from macro 'NEON_FN' dest = (1 << (sizeof(src1) * 8 - 1)); \ ~ ~~^~~~~~~~~~~~~~~~~~~~~~~~~ Fix it by casting to appropriate type. Signed-off-by: Pranith Kumar Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target-arm/neon_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'target-arm') diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c index 1f1844f5b2..ebdf7c9b10 100644 --- a/target-arm/neon_helper.c +++ b/target-arm/neon_helper.c @@ -1051,7 +1051,7 @@ uint64_t HELPER(neon_qrshl_u64)(CPUARMState *env, uint64_t val, uint64_t shiftop if (tmp >= (ssize_t)sizeof(src1) * 8) { \ if (src1) { \ SET_QC(); \ - dest = (1 << (sizeof(src1) * 8 - 1)); \ + dest = (typeof(dest))(1 << (sizeof(src1) * 8 - 1)); \ if (src1 > 0) { \ dest--; \ } \ -- cgit v1.2.3