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| author | Palmer Dabbelt <palmer@dabbelt.com> | 2017-11-01 17:54:40 +0000 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@gcc.gnu.org> | 2017-11-01 17:54:40 +0000 |
| commit | d4b51b8ba058a79d9ef64cd03a3bc88d2c7fc6c6 (patch) | |
| tree | 5ea8e61228240729f97992128d01f60323c573f0 /gcc | |
| parent | 86397ed17c9629fdaf8e1757aad3fd3f49683aeb (diff) | |
| download | gcc-d4b51b8ba058a79d9ef64cd03a3bc88d2c7fc6c6.zip gcc-d4b51b8ba058a79d9ef64cd03a3bc88d2c7fc6c6.tar.gz gcc-d4b51b8ba058a79d9ef64cd03a3bc88d2c7fc6c6.tar.bz2 | |
RISC-V: Document the medlow and medany code models
This documentation is patterned off the aarch64 -mcmodel documentation.
gcc/ChangeLog:
2017-11-01 Palmer Dabbelt <palmer@dabbelt.com>
* doc/invoke.texi (RISC-V Options): Explicitly name the medlow
and medany code models, and describe what they do.
From-SVN: r254321
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 17 |
2 files changed, 18 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index adf8cf3..8ec5295 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-11-01 Palmer Dabbelt <palmer@dabbelt.com> + + * doc/invoke.texi (RISC-V Options): Explicitly name the medlow + and medany code models, and describe what they do. + 2017-11-01 Richard Sandiford <richard.sandiford@linaro.org> Revert accidental duplicate: diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 43acbcb..8903afa 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -989,7 +989,7 @@ See RS/6000 and PowerPC Options. -msmall-data-limit=@var{N-bytes} @gol -msave-restore -mno-save-restore @gol -mstrict-align -mno-strict-align @gol --mcmodel=@var{code-model} @gol +-mcmodel=medlow -mcmodel=medany @gol -mexplicit-relocs -mno-explicit-relocs @gol} @emph{RL78 Options} @@ -21765,9 +21765,18 @@ Use smaller but slower prologue and epilogue code. @opindex mstrict-align Do not generate unaligned memory accesses. -@item -mcmodel=@var{code-model} -@opindex mcmodel -Specify the code model. +@item -mcmodel=medlow +@opindex mcmodel=medlow +Generate code for the medium-low code model. The program and its statically +defined symbols must lie within a single 2 GiB address range and must lie +between absolute addresses -2 GiB and +2 GiB. Programs can be statically or +dynamically linked. This is the default code model. + +@item -mcmodel=medany +@opindex mcmodel=medany +Generate code for the medium-any code model. The program and its statically +defined symbols must be within any single 2 GiB address range. Programs can be +statically or dynamically linked. @end table |