From 34a6c43487caf3a2a0ec9c7c79c526d116abc8b9 Mon Sep 17 00:00:00 2001 From: Tamar Christina Date: Fri, 17 Jul 2020 13:12:00 +0100 Subject: [PATCH] Arm: Add GCC_CPUINFO override This adds an in intentionally undocumented environment variable GCC_CPUINFO which can be used to test -mcpu=native. Tests using these are added later on. gcc/ChangeLog: * config/arm/driver-arm.c (host_detect_local_cpu): Add GCC_CPUINFO. --- gcc/config/arm/driver-arm.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/gcc/config/arm/driver-arm.c b/gcc/config/arm/driver-arm.c index 254e5ba53a6..85058f257c9 100644 --- a/gcc/config/arm/driver-arm.c +++ b/gcc/config/arm/driver-arm.c @@ -61,6 +61,7 @@ host_detect_local_cpu (int argc, const char **argv) FILE *f = NULL; bool arch; const struct vendor_cpu *cpu_table = NULL; + char *fcpu_info = NULL; if (argc < 1) goto not_found; @@ -69,7 +70,12 @@ host_detect_local_cpu (int argc, const char **argv) if (!arch && strcmp (argv[0], "cpu") != 0 && strcmp (argv[0], "tune")) goto not_found; - f = fopen ("/proc/cpuinfo", "r"); + fcpu_info = getenv ("GCC_CPUINFO"); + if (fcpu_info) + f = fopen (fcpu_info, "r"); + else + f = fopen ("/proc/cpuinfo", "r"); + if (f == NULL) goto not_found; -- 2.30.2