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[GlobalISel] list undocumented opcodes in docs #119089

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Dec 8, 2024
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[GlobalISel] list undocumented opcodes in docs #119089

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a0d907e
[GlobalISel] list undocumented opcodes in docs
tschuett Dec 7, 2024
df45f5f
address review comments
tschuett Dec 7, 2024
2c7fc0b
fix g_fpowi
tschuett Dec 7, 2024
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6 changes: 6 additions & 0 deletions llvm/docs/GlobalISel/GenericOpcode.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -474,6 +474,9 @@ undefined.
%2:_(s33) = G_CTLZ_ZERO_UNDEF %1
%2:_(s33) = G_CTTZ_ZERO_UNDEF %1

G_ABDS, G_ABDU
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Compute the absolute difference (signed and unsigned), e.g. abs(x-y).

.. code-block:: none
Expand Down Expand Up @@ -1131,3 +1134,6 @@ G_CONSTANT_FOLD_BARRIER
This operation is used as an opaque barrier to prevent constant folding. Combines
and other transformations should not look through this. These have no other
semantics and can be safely eliminated if a target chooses.


Unlisted: G_STACKSAVE, G_STACKRESTORE, G_FSHL, G_FSHR, G_SMULFIX, G_UMULFIX, G_SMULFIXSAT, G_UMULFIXSAT, G_SDIVFIX, G_UDIVFIX, G_SDIVFIXSAT, G_UDIVFIXSAT, GFPOWI, G_FEXP10, G_FLDEXP, G_FFREXP, G_GET_FPENV, G_SET_FPENV, G_RESET_FPENV, G_GET_FPMODE, G_SET_FPMODE, G_RESET_FPMODE, G_INTRINSIC_FPTRUNC_ROUND, G_INTRINSIC_LRINT, G_INTRINSIC_LLRINT, G_INTRINSIC_ROUNDEVEN, G_READCYCLECOUNTER, G_READSTEADYCOUNTER, G_PREFETCH, G_READ_REGISTER, G_WRITE_REGISTER, G_STRICT_FADD, G_STRICT_FSUB, G_STRICT_FMUL, G_STRICT_FDIV, G_STRICT_FREM, G_STRICT_FMA, G_STRICT_FSQRT, G_STRICT_FFLEXP, G_ASSERT_ALIGN
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@arsenm arsenm Dec 7, 2024

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FFLEXP?

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@tschuett tschuett Dec 7, 2024

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Super fast review. A full sentence would be nice.

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