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[Committed,1/2] docs: rtl: document GET_MODE_INNER

Message ID 20240503163634.2107439-1-vineetg@rivosinc.com
State New
Headers show
Series [Committed,1/2] docs: rtl: document GET_MODE_INNER | expand

Commit Message

Vineet Gupta May 3, 2024, 4:36 p.m. UTC 
gcc/ChangeLog
	* doc/rtl.texi: Add entry for GET_MODE_INNER.

Signed-off-by: Vineet Gupta <vineetg@rivosinc.com>
---
 gcc/doc/rtl.texi | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi
index 8ea6588cb71f..aa10b5235b53 100644
--- a/gcc/doc/rtl.texi
+++ b/gcc/doc/rtl.texi
@@ -1582,6 +1582,13 @@  less than or equal to @code{HOST_BITS_PER_INT}.
 @item GET_MODE_ALIGNMENT (@var{m})
 Return the required alignment, in bits, for an object of mode @var{m}.
 
+@findex GET_MODE_INNER
+@item GET_MODE_INNER (@var{m})
+Returns the mode of the basic parts of mode @var{m}.  For vector modes
+this is the mode of the vector elements.  For complex modes it is the
+mode of the real and imaginary parts.  For other modes it is mode @var{m}
+itself.
+
 @findex GET_MODE_UNIT_SIZE
 @item GET_MODE_UNIT_SIZE (@var{m})
 Returns the size in bytes of the subunits of a datum of mode @var{m}.