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## FMINNM (vectors)

Floating-point minimum number (predicated).

Determine the minimum number value of active floating-point elements of the second source vector and corresponding floating-point elements of the first source vector and destructively place the results in the corresponding elements of the first source vector. If one element value is NaN then the result is the numeric value. Inactive elements in the destination vector register remain unmodified.

 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 1 1 0 0 1 0 1 size 0 0 0 1 0 1 1 0 0 Pg Zm Zdn

#### SVE

FMINNM <Zdn>.<T>, <Pg>/M, <Zdn>.<T>, <Zm>.<T>

```if !HaveSVE() then UNDEFINED;
if size == '00' then UNDEFINED;
integer esize = 8 << UInt(size);
integer g = UInt(Pg);
integer dn = UInt(Zdn);
integer m = UInt(Zm);```

### Assembler Symbols

 Is the name of the first source and destination scalable vector register, encoded in the "Zdn" field.
<T> Is the size specifier, encoded in size:
size <T>
00 RESERVED
01 H
10 S
11 D
 Is the name of the governing scalable predicate register P0-P7, encoded in the "Pg" field.
 Is the name of the second source scalable vector register, encoded in the "Zm" field.

### Operation

```CheckSVEEnabled();
integer elements = VL DIV esize;
bits(VL) operand1 = Z[dn];
bits(VL) operand2 = Z[m];
bits(VL) result;

for e = 0 to elements-1
bits(esize) element1 = Elem[operand1, e, esize];
bits(esize) element2 = Elem[operand2, e, esize];
if ElemP[mask, e, esize] == '1' then
Elem[result, e, esize] = FPMinNum(element1, element2, FPCR);
else
Elem[result, e, esize] = element1;

Z[dn] = result;```

### Operational information

This instruction might be immediately preceded in program order by a MOVPRFX instruction that conforms to all of the following requirements, otherwise the behavior of either or both instructions is unpredictable:

• The MOVPRFX instruction must specify the same destination register as this instruction.
• The destination register must not refer to architectural register state referenced by any other source operand register of this instruction.
The MOVPRFX instructions that can be used with this instruction are as follows:
• An unpredicated MOVPRFX instruction.
• A predicated MOVPRFX instruction using the same governing predicate register and source element size as this instruction.