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--- en:multiasm:papc:chapter_6_7 [2025/10/23 12:01] – [BMI1 and BMI2 Instructions] ktokarz
+++ en:multiasm:papc:chapter_6_7 [2025/10/23 12:56] (current) – [BMI1 and BMI2 Instructions] ktokarz
@@ Line 551: / Line 551: @@
 </figure>
-The **blsmsk** instruction sets all lower bits below a first set bit to 1. It is shown in figure {{ref>blsmsk_instr}}.
+The **blsmsk** instruction sets all lower bits below a first bit set to 1. It is shown in figure {{ref>blsmsk_instr}}.
 <figure blsmsk_instr>
@@ Line 557: / Line 557: @@
 <caption>Illustration of the instruction which sets all lower bits below a first bit set to 1</caption>
 </figure>
-BLSR Reset lowest set bit.
-BZHI Zero high bits starting from specified bit position.
-PDEP Parallel deposit of bits using a mask.
+The **blsr** instruction resets (clears the bit to zero value) the lowest set bit. It is shown in figure {{ref>blsr_instr}}.
-PEXT Parallel extraction of bits using a mask.
+<figure blsr_instr>
+{{ :en:multiasm:cs:blsr.png?400 |Illustration of the instruction which resets a first bit set to 1.}}
+<caption>Illustration of the instruction which resets a first bit set to 1</caption>
+</figure>
+The **bzhi** instruction resets high bits starting from the specified bit position, as shown in figure {{ref>bzhi_instr}}.
+<figure bzhi_instr>
+{{ :en:multiasm:cs:bzhi.png?400 |Illustration of the instruction which resets high bits starting from the specified bit position.}}
+<caption>Illustration of the instruction which resets high bits starting from the specified bit position</caption>
+</figure>
+The **pdep** instruction performs a parallel deposit of bits using a mask. Its behaviour is shown in figure {{ref>pdep_instr}}.
+<figure pdep_instr>
+{{ :en:multiasm:cs:pdep.png?600 |Illustration of the parallel deposit instruction}}
+<caption>Illustration of the parallel deposit instruction</caption>
+</figure>
+The **pext** instruction performs a parallel extraction of bits using a mask. Its behaviour is shown in figure {{ref>pext_instr}}.
+<figure pext_instr>
+{{ :en:multiasm:cs:pext.png?600 |Illustration of the parallel extraction instruction}}
+<caption>Illustration of the parallel extraction instruction</caption>
+</figure>

en/multiasm/papc/chapter_6_7.1761220891.txt.gz · Last modified: 2025/10/23 12:01 by ktokarz