diff of gcc -dM -E - without and with the patch applied: --- gcc-default 2018-01-28 18:06:14.116000000 +0000 +++ gcc-powerpc64 2018-01-28 18:03:06.572000000 +0000 @@ -34,7 +34,6 @@ #define __FLT64_DECIMAL_DIG__ 17 #define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 2 #define pixel pixel -#define _ARCH_PPCSQ 1 #define bool bool #define __UINT_FAST64_MAX__ 0xffffffffffffffffUL #define __SIG_ATOMIC_TYPE__ int @@ -78,7 +77,6 @@ #define __USER_LABEL_PREFIX__ #define __STDC_HOSTED__ 1 #define __LDBL_HAS_INFINITY__ 1 -#define _ARCH_PWR4 1 #define __builtin_vsx_xvmaddmsp __builtin_vsx_xvmaddsp #define __CMODEL_MEDIUM__ 1 #define __FLT32_DIG__ 6
gcc -Q --help=target (default vs with the patch applied): --- gcc-Q-default 2018-01-28 18:08:29.232000000 +0000 +++ gcc-Q-powerpc64 2018-01-28 18:07:39.984000000 +0000 @@ -35,7 +35,7 @@ -mcmodel= medium -mcmpb [disabled] -mcompat-align-parm [disabled] - -mcpu= [default] + -mcpu= powerpc64 -mcrypto [disabled] -mdebug= -mdirect-move [disabled] @@ -70,7 +70,7 @@ -mlong-double-<n> 128 -mlongcall [disabled] -mlra [enabled] - -mmfcrf [enabled] + -mmfcrf [disabled] -mmfpgpr [disabled] -mminimal-toc [disabled] -mmodulo [disabled] @@ -89,7 +89,7 @@ -mpointers-to-nested-functions [enabled] -mpopcntb [disabled] -mpopcntd [disabled] - -mpower8-fusion [enabled] + -mpower8-fusion [disabled] -mpower8-fusion-sign [disabled] -mpower8-vector [disabled] -mpower9-dform [enabled] @@ -101,9 +101,9 @@ -mpower9-vector [disabled] -mpowerpc -mpowerpc-gfxopt [enabled] - -mpowerpc-gpopt [enabled] + -mpowerpc-gpopt [disabled] -mpowerpc64 [enabled] - -mprioritize-restricted-insns= 1 + -mprioritize-restricted-insns= 0 -mprofile-kernel [disabled] -mprototype [disabled] -mquad-memory [disabled] @@ -145,7 +145,7 @@ -mtoc [disabled] -mtoc-fusion [disabled] -mtraceback= [default] - -mtune= [default] + -mtune= powerpc64 -muclibc [disabled] -mupdate [enabled] -mupper-regs [enabled] Bas Vermeulen
