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| author | Nick Clifton <nickc@cygnus.com> | 1998-10-16 11:03:50 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 1998-10-16 11:03:50 +0000 |
| commit | a39f6bb0fde140468e20eb65d0462ff03d984421 (patch) | |
| tree | 11e71e0fbfb5fdf4bba39a56110489ce704bfe53 /gcc | |
| parent | c2861502f7a27cdbfa704f4495fe2e14b586dea7 (diff) | |
| download | gcc-a39f6bb0fde140468e20eb65d0462ff03d984421.zip gcc-a39f6bb0fde140468e20eb65d0462ff03d984421.tar.gz gcc-a39f6bb0fde140468e20eb65d0462ff03d984421.tar.bz2 | |
Add --help documentation for ARM specific command line switches
From-SVN: r23130
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arm/arm.h | 34 |
2 files changed, 22 insertions, 17 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6899cf8..0a29188 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation. + (TARGET_OPTIONS): Add --help documentation. + Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change. diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h index ed5e4de..c9127e7 100644 --- a/gcc/config/arm/arm.h +++ b/gcc/config/arm/arm.h @@ -332,42 +332,42 @@ extern char *target_fp_name; #define TARGET_SWITCHES \ { \ {"apcs", ARM_FLAG_APCS_FRAME}, \ - {"apcs-frame", ARM_FLAG_APCS_FRAME}, \ + {"apcs-frame", ARM_FLAG_APCS_FRAME, "Generate APCS conformant stack frames" }, \ {"no-apcs-frame", -ARM_FLAG_APCS_FRAME}, \ {"poke-function-name", ARM_FLAG_POKE}, \ {"fpe", ARM_FLAG_FPE}, \ {"6", ARM_FLAG_ARM6}, \ {"2", ARM_FLAG_ARM3}, \ {"3", ARM_FLAG_ARM3}, \ - {"apcs-32", ARM_FLAG_APCS_32}, \ - {"apcs-26", -ARM_FLAG_APCS_32}, \ + {"apcs-32", ARM_FLAG_APCS_32, "Use the 32bit version of the APCS" }, \ + {"apcs-26", -ARM_FLAG_APCS_32, "Use the 26bit version of the APCS" }, \ {"apcs-stack-check", ARM_FLAG_APCS_STACK}, \ {"no-apcs-stack-check", -ARM_FLAG_APCS_STACK}, \ - {"apcs-float", ARM_FLAG_APCS_FLOAT}, \ + {"apcs-float", ARM_FLAG_APCS_FLOAT, "Pass FP arguments in FP registers" }, \ {"no-apcs-float", -ARM_FLAG_APCS_FLOAT}, \ - {"apcs-reentrant", ARM_FLAG_APCS_REENT}, \ + {"apcs-reentrant", ARM_FLAG_APCS_REENT, "Generate re-entrant, PIC code" }, \ {"no-apcs-reentrant", -ARM_FLAG_APCS_REENT}, \ - {"short-load-bytes", ARM_FLAG_SHORT_BYTE}, \ + {"short-load-bytes", ARM_FLAG_SHORT_BYTE, "Load shorts a byte at a time" }, \ {"no-short-load-bytes", -ARM_FLAG_SHORT_BYTE}, \ - {"short-load-words", -ARM_FLAG_SHORT_BYTE}, \ + {"short-load-words", -ARM_FLAG_SHORT_BYTE, "Load words a byte at a time" }, \ {"no-short-load-words", ARM_FLAG_SHORT_BYTE}, \ - {"soft-float", ARM_FLAG_SOFT_FLOAT}, \ - {"hard-float", -ARM_FLAG_SOFT_FLOAT}, \ - {"big-endian", ARM_FLAG_BIG_END}, \ - {"little-endian", -ARM_FLAG_BIG_END}, \ - {"thumb-interwork", ARM_FLAG_THUMB}, \ + {"soft-float", ARM_FLAG_SOFT_FLOAT, "Use library calls to perform FP operations" }, \ + {"hard-float", -ARM_FLAG_SOFT_FLOAT, "Use hardware floating point instructions" }, \ + {"big-endian", ARM_FLAG_BIG_END, "Assume target CPU is configured as big endian" }, \ + {"little-endian", -ARM_FLAG_BIG_END, "Assume target CPU is configured as little endian" }, \ + {"words-little-endian", ARM_FLAG_LITTLE_WORDS, "Assume big endian bytes, little endian words" }, \ + {"thumb-interwork", ARM_FLAG_THUMB, "Support calls between THUMB and ARM instructions sets" }, \ {"no-thumb-interwork", -ARM_FLAG_THUMB}, \ - {"words-little-endian", ARM_FLAG_LITTLE_WORDS}, \ SUBTARGET_SWITCHES \ {"", TARGET_DEFAULT } \ } #define TARGET_OPTIONS \ { \ - {"cpu=", &arm_select[1].string}, \ - {"arch=", &arm_select[2].string}, \ - {"tune=", &arm_select[3].string}, \ - {"fp=", &target_fp_name} \ + {"cpu=", & arm_select[1].string, "Specify the name of the target CPU" }, \ + {"arch=", & arm_select[2].string, "Specify the name of the target architecture" }, \ + {"tune=", & arm_select[3].string}, \ + {"fp=", & target_fp_name, "Specify the version of the floating point emulator"} \ } /* arm_select[0] is reserved for the default cpu. */ |