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Diffstat (limited to 'test/CodeGen/X86/pmul.ll')
-rw-r--r--test/CodeGen/X86/pmul.ll220
1 files changed, 187 insertions, 33 deletions
diff --git a/test/CodeGen/X86/pmul.ll b/test/CodeGen/X86/pmul.ll
index 8937d6afa0ae..21463b8539dc 100644
--- a/test/CodeGen/X86/pmul.ll
+++ b/test/CodeGen/X86/pmul.ll
@@ -1,18 +1,68 @@
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=ALL --check-prefix=SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=sse4.1 | FileCheck %s --check-prefix=ALL --check-prefix=SSE41
+define <16 x i8> @mul8c(<16 x i8> %i) nounwind {
+; SSE2-LABEL: mul8c:
+; SSE2: # BB#0: # %entry
+; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117]
+; SSE2-NEXT: psraw $8, %xmm1
+; SSE2-NEXT: movdqa %xmm0, %xmm2
+; SSE2-NEXT: punpckhbw {{.*#+}} xmm2 = xmm2[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
+; SSE2-NEXT: psraw $8, %xmm2
+; SSE2-NEXT: pmullw %xmm1, %xmm2
+; SSE2-NEXT: movdqa {{.*#+}} xmm3 = [255,255,255,255,255,255,255,255]
+; SSE2-NEXT: pand %xmm3, %xmm2
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT: psraw $8, %xmm0
+; SSE2-NEXT: pmullw %xmm1, %xmm0
+; SSE2-NEXT: pand %xmm3, %xmm0
+; SSE2-NEXT: packuswb %xmm2, %xmm0
+; SSE2-NEXT: retq
+;
+; SSE41-LABEL: mul8c:
+; SSE41: # BB#0: # %entry
+; SSE41-NEXT: pmovsxbw %xmm0, %xmm1
+; SSE41-NEXT: pmovsxbw {{.*}}(%rip), %xmm2
+; SSE41-NEXT: pmullw %xmm2, %xmm1
+; SSE41-NEXT: movdqa {{.*#+}} xmm3 = [255,255,255,255,255,255,255,255]
+; SSE41-NEXT: pand %xmm3, %xmm1
+; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSE41-NEXT: pmovsxbw %xmm0, %xmm0
+; SSE41-NEXT: pmullw %xmm2, %xmm0
+; SSE41-NEXT: pand %xmm3, %xmm0
+; SSE41-NEXT: packuswb %xmm0, %xmm1
+; SSE41-NEXT: movdqa %xmm1, %xmm0
+; SSE41-NEXT: retq
+entry:
+ %A = mul <16 x i8> %i, < i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117, i8 117 >
+ ret <16 x i8> %A
+}
+
+define <8 x i16> @mul16c(<8 x i16> %i) nounwind {
+; ALL-LABEL: mul16c:
+; ALL: # BB#0: # %entry
+; ALL-NEXT: pmullw {{.*}}(%rip), %xmm0
+; ALL-NEXT: retq
+entry:
+ %A = mul <8 x i16> %i, < i16 117, i16 117, i16 117, i16 117, i16 117, i16 117, i16 117, i16 117 >
+ ret <8 x i16> %A
+}
+
define <4 x i32> @a(<4 x i32> %i) nounwind {
; SSE2-LABEL: a:
-; SSE2: movdqa {{.*}}, %[[X1:xmm[0-9]+]]
-; SSE2-NEXT: pshufd {{.*}} # [[X2:xmm[0-9]+]] = xmm0[1,1,3,3]
-; SSE2-NEXT: pmuludq %[[X1]], %xmm0
-; SSE2-NEXT: pmuludq %[[X1]], %[[X2]]
-; SSE2-NEXT: shufps {{.*}} # xmm0 = xmm0[0,2],[[X2]][0,2]
-; SSE2-NEXT: shufps {{.*}} # xmm0 = xmm0[0,2,1,3]
+; SSE2: # BB#0: # %entry
+; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [117,117,117,117]
+; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3]
+; SSE2-NEXT: pmuludq %xmm1, %xmm0
+; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
+; SSE2-NEXT: pmuludq %xmm1, %xmm2
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
+; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSE2-NEXT: retq
;
; SSE41-LABEL: a:
-; SSE41: pmulld
+; SSE41: # BB#0: # %entry
+; SSE41-NEXT: pmulld {{.*}}(%rip), %xmm0
; SSE41-NEXT: retq
entry:
%A = mul <4 x i32> %i, < i32 117, i32 117, i32 117, i32 117 >
@@ -21,26 +71,91 @@ entry:
define <2 x i64> @b(<2 x i64> %i) nounwind {
; ALL-LABEL: b:
-; ALL: pmuludq
-; ALL: pmuludq
-; ALL: pmuludq
+; ALL: # BB#0: # %entry
+; ALL-NEXT: movdqa {{.*#+}} xmm1 = [117,117]
+; ALL-NEXT: movdqa %xmm0, %xmm2
+; ALL-NEXT: pmuludq %xmm1, %xmm2
+; ALL-NEXT: pxor %xmm3, %xmm3
+; ALL-NEXT: pmuludq %xmm0, %xmm3
+; ALL-NEXT: psllq $32, %xmm3
+; ALL-NEXT: paddq %xmm3, %xmm2
+; ALL-NEXT: psrlq $32, %xmm0
+; ALL-NEXT: pmuludq %xmm1, %xmm0
+; ALL-NEXT: psllq $32, %xmm0
+; ALL-NEXT: paddq %xmm2, %xmm0
+; ALL-NEXT: retq
entry:
%A = mul <2 x i64> %i, < i64 117, i64 117 >
ret <2 x i64> %A
}
+define <16 x i8> @mul8(<16 x i8> %i, <16 x i8> %j) nounwind {
+; SSE2-LABEL: mul8:
+; SSE2: # BB#0: # %entry
+; SSE2-NEXT: movdqa %xmm1, %xmm2
+; SSE2-NEXT: punpckhbw {{.*#+}} xmm2 = xmm2[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
+; SSE2-NEXT: psraw $8, %xmm2
+; SSE2-NEXT: movdqa %xmm0, %xmm3
+; SSE2-NEXT: punpckhbw {{.*#+}} xmm3 = xmm3[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
+; SSE2-NEXT: psraw $8, %xmm3
+; SSE2-NEXT: pmullw %xmm2, %xmm3
+; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [255,255,255,255,255,255,255,255]
+; SSE2-NEXT: pand %xmm2, %xmm3
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT: psraw $8, %xmm1
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT: psraw $8, %xmm0
+; SSE2-NEXT: pmullw %xmm1, %xmm0
+; SSE2-NEXT: pand %xmm2, %xmm0
+; SSE2-NEXT: packuswb %xmm3, %xmm0
+; SSE2-NEXT: retq
+;
+; SSE41-LABEL: mul8:
+; SSE41: # BB#0: # %entry
+; SSE41-NEXT: pmovsxbw %xmm1, %xmm3
+; SSE41-NEXT: pmovsxbw %xmm0, %xmm2
+; SSE41-NEXT: pmullw %xmm3, %xmm2
+; SSE41-NEXT: movdqa {{.*#+}} xmm3 = [255,255,255,255,255,255,255,255]
+; SSE41-NEXT: pand %xmm3, %xmm2
+; SSE41-NEXT: pshufd {{.*#+}} xmm1 = xmm1[2,3,0,1]
+; SSE41-NEXT: pmovsxbw %xmm1, %xmm1
+; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSE41-NEXT: pmovsxbw %xmm0, %xmm0
+; SSE41-NEXT: pmullw %xmm1, %xmm0
+; SSE41-NEXT: pand %xmm3, %xmm0
+; SSE41-NEXT: packuswb %xmm0, %xmm2
+; SSE41-NEXT: movdqa %xmm2, %xmm0
+; SSE41-NEXT: retq
+entry:
+ %A = mul <16 x i8> %i, %j
+ ret <16 x i8> %A
+}
+
+define <8 x i16> @mul16(<8 x i16> %i, <8 x i16> %j) nounwind {
+; ALL-LABEL: mul16:
+; ALL: # BB#0: # %entry
+; ALL-NEXT: pmullw %xmm1, %xmm0
+; ALL-NEXT: retq
+entry:
+ %A = mul <8 x i16> %i, %j
+ ret <8 x i16> %A
+}
+
define <4 x i32> @c(<4 x i32> %i, <4 x i32> %j) nounwind {
; SSE2-LABEL: c:
-; SSE2: pshufd {{.*}} # [[X2:xmm[0-9]+]] = xmm0[1,1,3,3]
+; SSE2: # BB#0: # %entry
+; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3]
; SSE2-NEXT: pmuludq %xmm1, %xmm0
-; SSE2-NEXT: pshufd {{.*}} # xmm1 = xmm1[1,1,3,3]
-; SSE2-NEXT: pmuludq %[[X2]], %xmm1
-; SSE2-NEXT: shufps {{.*}} # xmm0 = xmm0[0,2],xmm1[0,2]
-; SSE2-NEXT: shufps {{.*}} # xmm0 = xmm0[0,2,1,3]
+; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT: pmuludq %xmm2, %xmm1
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
+; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSE2-NEXT: retq
;
; SSE41-LABEL: c:
-; SSE41: pmulld
+; SSE41: # BB#0: # %entry
+; SSE41-NEXT: pmulld %xmm1, %xmm0
; SSE41-NEXT: retq
entry:
%A = mul <4 x i32> %i, %j
@@ -49,9 +164,19 @@ entry:
define <2 x i64> @d(<2 x i64> %i, <2 x i64> %j) nounwind {
; ALL-LABEL: d:
-; ALL: pmuludq
-; ALL: pmuludq
-; ALL: pmuludq
+; ALL: # BB#0: # %entry
+; ALL-NEXT: movdqa %xmm0, %xmm2
+; ALL-NEXT: pmuludq %xmm1, %xmm2
+; ALL-NEXT: movdqa %xmm1, %xmm3
+; ALL-NEXT: psrlq $32, %xmm3
+; ALL-NEXT: pmuludq %xmm0, %xmm3
+; ALL-NEXT: psllq $32, %xmm3
+; ALL-NEXT: paddq %xmm3, %xmm2
+; ALL-NEXT: psrlq $32, %xmm0
+; ALL-NEXT: pmuludq %xmm1, %xmm0
+; ALL-NEXT: psllq $32, %xmm0
+; ALL-NEXT: paddq %xmm2, %xmm0
+; ALL-NEXT: retq
entry:
%A = mul <2 x i64> %i, %j
ret <2 x i64> %A
@@ -61,20 +186,32 @@ declare void @foo()
define <4 x i32> @e(<4 x i32> %i, <4 x i32> %j) nounwind {
; SSE2-LABEL: e:
-; SSE2: movdqa {{[0-9]*}}(%rsp), %xmm0
-; SSE2-NEXT: pshufd {{.*}} # [[X1:xmm[0-9]+]] = xmm0[1,1,3,3]
-; SSE2-NEXT: movdqa {{[0-9]*}}(%rsp), %[[X2:xmm[0-9]+]]
-; SSE2-NEXT: pmuludq %[[X2]], %xmm0
-; SSE2-NEXT: pshufd {{.*}} # [[X2]] = [[X2]][1,1,3,3]
-; SSE2-NEXT: pmuludq %[[X1]], %[[X2]]
-; SSE2-NEXT: shufps {{.*}} # xmm0 = xmm0[0,2],[[X2]][0,2]
-; SSE2-NEXT: shufps {{.*}} # xmm0 = xmm0[0,2,1,3]
-; SSE2-NEXT: addq ${{[0-9]+}}, %rsp
+; SSE2: # BB#0: # %entry
+; SSE2-NEXT: subq $40, %rsp
+; SSE2-NEXT: movaps %xmm1, {{[0-9]+}}(%rsp) # 16-byte Spill
+; SSE2-NEXT: movaps %xmm0, (%rsp) # 16-byte Spill
+; SSE2-NEXT: callq foo
+; SSE2-NEXT: movdqa (%rsp), %xmm0 # 16-byte Reload
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; SSE2-NEXT: movdqa {{[0-9]+}}(%rsp), %xmm2 # 16-byte Reload
+; SSE2-NEXT: pmuludq %xmm2, %xmm0
+; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
+; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
+; SSE2-NEXT: pmuludq %xmm1, %xmm2
+; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[0,2,2,3]
+; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; SSE2-NEXT: addq $40, %rsp
; SSE2-NEXT: retq
;
; SSE41-LABEL: e:
-; SSE41: pmulld {{[0-9]+}}(%rsp), %xmm
-; SSE41-NEXT: addq ${{[0-9]+}}, %rsp
+; SSE41: # BB#0: # %entry
+; SSE41-NEXT: subq $40, %rsp
+; SSE41-NEXT: movaps %xmm1, {{[0-9]+}}(%rsp) # 16-byte Spill
+; SSE41-NEXT: movaps %xmm0, (%rsp) # 16-byte Spill
+; SSE41-NEXT: callq foo
+; SSE41-NEXT: movdqa (%rsp), %xmm0 # 16-byte Reload
+; SSE41-NEXT: pmulld {{[0-9]+}}(%rsp), %xmm0 # 16-byte Folded Reload
+; SSE41-NEXT: addq $40, %rsp
; SSE41-NEXT: retq
entry:
; Use a call to force spills.
@@ -85,9 +222,26 @@ entry:
define <2 x i64> @f(<2 x i64> %i, <2 x i64> %j) nounwind {
; ALL-LABEL: f:
-; ALL: pmuludq
-; ALL: pmuludq
-; ALL: pmuludq
+; ALL: # BB#0: # %entry
+; ALL-NEXT: subq $40, %rsp
+; ALL-NEXT: movaps %xmm1, {{[0-9]+}}(%rsp) # 16-byte Spill
+; ALL-NEXT: movaps %xmm0, (%rsp) # 16-byte Spill
+; ALL-NEXT: callq foo
+; ALL-NEXT: movdqa (%rsp), %xmm0 # 16-byte Reload
+; ALL-NEXT: movdqa %xmm0, %xmm2
+; ALL-NEXT: movdqa {{[0-9]+}}(%rsp), %xmm3 # 16-byte Reload
+; ALL-NEXT: pmuludq %xmm3, %xmm2
+; ALL-NEXT: movdqa %xmm3, %xmm1
+; ALL-NEXT: psrlq $32, %xmm1
+; ALL-NEXT: pmuludq %xmm0, %xmm1
+; ALL-NEXT: psllq $32, %xmm1
+; ALL-NEXT: paddq %xmm1, %xmm2
+; ALL-NEXT: psrlq $32, %xmm0
+; ALL-NEXT: pmuludq %xmm3, %xmm0
+; ALL-NEXT: psllq $32, %xmm0
+; ALL-NEXT: paddq %xmm2, %xmm0
+; ALL-NEXT: addq $40, %rsp
+; ALL-NEXT: retq
entry:
; Use a call to force spills.
call void @foo()
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-08 22:49:15 +0000