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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-07-20 20:10:42 +0000 |
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| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-07-20 20:10:42 +0000 |
| commit | 582c0767b1d6649d67c81c3dc7b587ee6e73bff1 (patch) | |
| tree | 828d6cd6bce3ce31df3e2e24c39c2b5a81aff6e2 /gcc/doc/md.texi | |
| parent | 675b92cc53934362279f772da8cd4bedddd8f32b (diff) | |
| download | gcc-582c0767b1d6649d67c81c3dc7b587ee6e73bff1.tar.gz | |
* expr.c (emit_single_push_insn): Add call to push expander.
* expr.h (optab_index): Add OTI_push
(push_optab): New constant.
* genopinit.c (optabs): Add push_optab.
* optabs.c (init_optab): Init push optab.
* md.texi (push??1): Document
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44211 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/md.texi')
| -rw-r--r-- | gcc/doc/md.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi index a5db6c6ccb8..59db56bb677 100644 --- a/gcc/doc/md.texi +++ b/gcc/doc/md.texi @@ -2125,6 +2125,14 @@ into consecutive memory locations. Operand 0 is the first of the consecutive memory locations, operand 1 is the first register, and operand 2 is a constant: the number of consecutive registers. +@cindex @code{push@var{m}} instruction pattern +@item @samp{push@var{m}} +Output an push instruction. Operand 0 is value to push. Used only when +@code{PUSH_ROUNDING} is defined. For historical reason, this pattern may be +missing and in such case an @code{mov} expander is used instead, with a +@code{MEM} expression forming the push operation. The @cpde{mov} expander +method is deprecated. + @cindex @code{add@var{m}3} instruction pattern @item @samp{add@var{m}3} Add operand 2 and operand 1, storing the result in operand 0. All operands |