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| author | Nick Clifton <nickc@cygnus.com> | 2000-05-28 21:08:51 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2000-05-28 21:08:51 +0000 |
| commit | 055177dc83b011c37b3b78c23d4f86d471bf21c7 (patch) | |
| tree | 76fbc99336e386847aed8f961fc763eb57eef60f /gcc | |
| parent | 9ef07cf1d4a446b445c4e97860172f51aebc951b (diff) | |
| download | gcc-055177dc83b011c37b3b78c23d4f86d471bf21c7.zip gcc-055177dc83b011c37b3b78c23d4f86d471bf21c7.tar.gz gcc-055177dc83b011c37b3b78c23d4f86d471bf21c7.tar.bz2 | |
Docuement that CONSITIONAL_REGISTER_USAGE can modify reg_names.
From-SVN: r34239
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tm.texi | 15 |
2 files changed, 13 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ba57538..cd8bd1d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-05-28 Nick Clifton <nickc@cygnus.com> + + * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can + modify reg_names. + 2000-05-28 Richard Henderson <rth@cygnus.com> * regclass.c (record_operand_costs): Protect reg_changes_size diff --git a/gcc/tm.texi b/gcc/tm.texi index 80df009..766ea57 100644 --- a/gcc/tm.texi +++ b/gcc/tm.texi @@ -1406,14 +1406,15 @@ preserve the entire contents of a register across a call. @findex fixed_regs @findex call_used_regs @item CONDITIONAL_REGISTER_USAGE -Zero or more C statements that may conditionally modify four variables -@code{fixed_regs}, @code{call_used_regs}, @code{global_regs} -(these three are of type @code{char []}) and @code{reg_class_contents} -(of type @code{HARD_REG_SET}). +Zero or more C statements that may conditionally modify five variables +@code{fixed_regs}, @code{call_used_regs}, @code{global_regs}, +(these three are of type @code{char []}), @code{reg_names} (of type +@code{const char * []}) and @code{reg_class_contents} (of type +@code{HARD_REG_SET}). Before the macro is called @code{fixed_regs}, @code{call_used_regs} -and @code{reg_class_contents} have been initialized from -@code{FIXED_REGISTERS}, @code{CALL_USED_REGISTERS} and -@code{REG_CLASS_CONTENTS}, respectively, +@code{reg_class_contents} and @code{reg_names} have been initialized +from @code{FIXED_REGISTERS}, @code{CALL_USED_REGISTERS}, +@code{REG_CLASS_CONTENTS} and @code{REGISTER_NAMES}, respectively, @code{global_regs} has been cleared, and any @samp{-ffixed-@var{reg}}, @samp{-fcall-used-@var{reg}} and @samp{-fcall-saved-@var{reg}} command options have been applied. |