[llvm] [RISCV][MC] Support Base P non-GPR pair instructions (PR #137927)

[Craig Topper via llvm-commits]

================
@@ -1,39 +1,102 @@
 # RUN: llvm-mc %s -triple=riscv64 -mattr=+experimental-p -M no-aliases -show-encoding \
 # RUN:     | FileCheck -check-prefixes=CHECK-ASM,CHECK-ASM-AND-OBJ %s
-# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+experimental-p < %s \
-# RUN:     | llvm-objdump --mattr=+experimental-p -M no-aliases -d -r - \
+# RUN: llvm-mc -filetype=obj --triple=riscv64 -mattr=+experimental-p < %s \
+# RUN:     | llvm-objdump --triple=riscv64 --mattr=+experimental-p -M no-aliases --no-print-imm-hex -d -r - \
 # RUN:     | FileCheck --check-prefix=CHECK-ASM-AND-OBJ %s
 
-# CHECK-ASM-AND-OBJ: sh1add a0, a1, a2
-# CHECK-ASM: encoding: [0x33,0xa5,0xc5,0x20]
-sh1add a0, a1, a2
 # CHECK-ASM-AND-OBJ: clz a0, a1
 # CHECK-ASM: encoding: [0x13,0x95,0x05,0x60]
 clz a0, a1
-# CHECK-ASM-AND-OBJ: clzw s0, s1
-# CHECK-ASM: encoding: [0x1b,0x94,0x04,0x60]
-clzw s0, s1
+# CHECK-ASM-AND-OBJ: cls a1, a2
+# CHECK-ASM: encoding: [0x93,0x15,0x36,0x60]
+cls a1, a2
 # CHECK-ASM-AND-OBJ: sext.b a2, a3
 # CHECK-ASM: encoding: [0x13,0x96,0x46,0x60]
 sext.b a2, a3
 # CHECK-ASM-AND-OBJ: sext.h t0, t1
 # CHECK-ASM: encoding: [0x93,0x12,0x53,0x60]
 sext.h t0, t1
+# CHECK-ASM-AND-OBJ: abs a4, a5
+# CHECK-ASM: encoding: [0x13,0x97,0x77,0x60]
+abs a4, a5
+# CHECK-ASM-AND-OBJ: rev16 s0, s1
+# CHECK-ASM: encoding: [0x13,0xd4,0x04,0x6b]
+rev16 s0, s1
+# CHECK-ASM-AND-OBJ: rev8 s0, s1
+# CHECK-ASM: encoding: [0x13,0xd4,0x84,0x6b]
+rev8 s0, s1
+# CHECK-ASM-AND-OBJ: rev s2, s3
+# CHECK-ASM: encoding: [0x13,0xd9,0xf9,0x6b]
+rev s2, s3
+# CHECK-ASM-AND-OBJ: clzw s0, s1
+# CHECK-ASM: encoding: [0x1b,0x94,0x04,0x60]
+clzw s0, s1
+# CHECK-ASM-AND-OBJ: clsw s2, s3
+# CHECK-ASM: encoding: [0x1b,0x99,0x39,0x60]
+clsw s2, s3
+# CHECK-ASM-AND-OBJ: absw s2, s3
+# CHECK-ASM: encoding: [0x1b,0x99,0x79,0x60]
+absw s2, s3
+# CHECK-ASM-AND-OBJ: sh1add a0, a1, a2
+# CHECK-ASM: encoding: [0x33,0xa5,0xc5,0x20]
+sh1add a0, a1, a2
+# CHECK-ASM-AND-OBJ: pack s0, s1, s2
+# CHECK-ASM: encoding: [0x33,0xc4,0x24,0x09]
+pack s0, s1, s2
 # CHECK-ASM-AND-OBJ: min t0, t1, t2
 # CHECK-ASM: encoding: [0xb3,0x42,0x73,0x0a]
 min t0, t1, t2
-# CHECK-ASM-AND-OBJ: minu t0, t1, t2
-# CHECK-ASM: encoding: [0xb3,0x52,0x73,0x0a]
-minu t0, t1, t2
+# CHECK-ASM-AND-OBJ: minu ra, sp, gp
+# CHECK-ASM: encoding: [0xb3,0x50,0x31,0x0a]
+minu ra, sp, gp
 # CHECK-ASM-AND-OBJ: max t3, t4, t5
 # CHECK-ASM: encoding: [0x33,0xee,0xee,0x0b]
 max t3, t4, t5
 # CHECK-ASM-AND-OBJ: maxu a4, a5, a6
 # CHECK-ASM: encoding: [0x33,0xf7,0x07,0x0b]
 maxu a4, a5, a6
-# CHECK-ASM-AND-OBJ: pack s0, s1, s2
-# CHECK-ASM: encoding: [0x33,0xc4,0x24,0x09]
-pack s0, s1, s2
-# CHECK-ASM-AND-OBJ: rev8 s0, s1
-# CHECK-ASM: encoding: [0x13,0xd4,0x84,0x6b]
-rev8 s0, s1
+# CHECK-ASM-AND-OBJ: pslli.b a6, a7
+# CHECK-ASM: encoding: [0x1b,0xa8,0x88,0x80]
+pslli.b a6, a7, 0
+# CHECK-ASM-AND-OBJ: pslli.h ra, sp, 1
+# CHECK-ASM: encoding: [0x9b,0x20,0x11,0x81]
+pslli.h ra, sp, 1
+# CHECK-ASM-AND-OBJ: pslli.w ra, sp, 2
+# CHECK-ASM: encoding: [0x9b,0x20,0x21,0x82]
+pslli.w ra, sp, 2
+# CHECK-ASM-AND-OBJ: psslai.h t0, t1, 3
+# CHECK-ASM: encoding: [0x9b,0x22,0x33,0xd1]
+psslai.h t0, t1, 3
+# CHECK-ASM-AND-OBJ: psslai.w a4, a5, 4
+# CHECK-ASM: encoding: [0x1b,0xa7,0x47,0xd2]
+psslai.w a4, a5, 4
+# CHECK-ASM-AND-OBJ: pli.h a5, 5
+# CHECK-ASM: encoding: [0x9b,0x27,0x05,0xb0]
+pli.h a5, 5
+# CHECK-ASM-AND-OBJ: pli.w a5, 5
+# CHECK-ASM: encoding: [0x9b,0x27,0x05,0xb2]
+pli.w a5, 5
+# CHECK-ASM-AND-OBJ: pli.b a6, 6
+# CHECK-ASM: encoding: [0x1b,0x28,0x06,0xb4]
+pli.b a6, 6
+# CHECK-ASM-AND-OBJ: psext.h.b t3, a2
+# CHECK-ASM: encoding: [0x1b,0x2e,0x46,0xe0]
+psext.h.b t3, a2
+# CHECK-ASM-AND-OBJ: psext.w.b a2, s0
+# CHECK-ASM: encoding: [0x1b,0x26,0x44,0xe2]
+psext.w.b a2, s0
+# CHECK-ASM-AND-OBJ: psext.w.h t1, t3
+# CHECK-ASM: encoding: [0x1b,0x23,0x5e,0xe2]
+psext.w.h t1, t3
+# CHECK-ASM-AND-OBJ: psabs.h t1, t5
+# CHECK-ASM: encoding: [0x1b,0x23,0x7f,0xe0]
+psabs.h t1, t5
+# CHECK-ASM-AND-OBJ: psabs.b a0, s2
+# CHECK-ASM: encoding: [0x1b,0x25,0x79,0xe4]
+psabs.b a0, s2
+# CHECK-ASM-AND-OBJ: plui.h s2, 4
+# CHECK-ASM: encoding: [0x1b,0x29,0x04,0xf0]
+plui.h s2, 4
----------------
topperc wrote:

Need tests showing that [512,1023] for plui.h/plui.w prints as [-512,511]

https://github.com/llvm/llvm-project/pull/137927