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-rw-r--r--gcc/lto-wrapper.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/gcc/lto-wrapper.c b/gcc/lto-wrapper.c
index 5798a81..b17945a 100644
--- a/gcc/lto-wrapper.c
+++ b/gcc/lto-wrapper.c
@@ -422,6 +422,8 @@ merge_and_complain (struct cl_decoded_option **decoded_options,
append_option (decoded_options, decoded_options_count, foption);
break;
+ case OPT_ftrapv:
+ case OPT_fstrict_overflow:
case OPT_ffp_contract_:
/* For selected options we can merge conservatively. */
for (j = 0; j < *decoded_options_count; ++j)
@@ -429,11 +431,25 @@ merge_and_complain (struct cl_decoded_option **decoded_options,
break;
if (j == *decoded_options_count)
append_option (decoded_options, decoded_options_count, foption);
- /* FP_CONTRACT_OFF < FP_CONTRACT_ON < FP_CONTRACT_FAST. */
+ /* FP_CONTRACT_OFF < FP_CONTRACT_ON < FP_CONTRACT_FAST,
+ -fno-trapv < -ftrapv,
+ -fno-strict-overflow < -fstrict-overflow */
else if (foption->value < (*decoded_options)[j].value)
(*decoded_options)[j] = *foption;
break;
+ case OPT_fwrapv:
+ /* For selected options we can merge conservatively. */
+ for (j = 0; j < *decoded_options_count; ++j)
+ if ((*decoded_options)[j].opt_index == foption->opt_index)
+ break;
+ if (j == *decoded_options_count)
+ append_option (decoded_options, decoded_options_count, foption);
+ /* -fwrapv > -fno-wrapv. */
+ else if (foption->value > (*decoded_options)[j].value)
+ (*decoded_options)[j] = *foption;
+ break;
+
case OPT_freg_struct_return:
case OPT_fpcc_struct_return:
for (j = 0; j < *decoded_options_count; ++j)
@@ -591,6 +607,9 @@ run_gcc (unsigned argc, char *argv[])
case OPT_freg_struct_return:
case OPT_fpcc_struct_return:
case OPT_ffp_contract_:
+ case OPT_fwrapv:
+ case OPT_ftrapv:
+ case OPT_fstrict_overflow:
break;
default: