1f333562de
Summary: "ww" and "ws" are both constraint codes for VSX vector registers that hold scalar double data. "ww" is preferred for float while "ws" is preferred for double. Reviewed By: jsji Differential Revision: https://reviews.llvm.org/D64119 llvm-svn: 365106
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
// RUN: %clang_cc1 -triple powerpc64-unknown-linux-gnu -O2 -emit-llvm -o - %s | FileCheck %s
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_Bool test_wc_i1(_Bool b1, _Bool b2) {
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_Bool o;
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asm("crand %0, %1, %2" : "=wc"(o) : "wc"(b1), "wc"(b2) : );
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return o;
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// CHECK-LABEL: define zeroext i1 @test_wc_i1(i1 zeroext %b1, i1 zeroext %b2)
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// CHECK: call i8 asm "crand $0, $1, $2", "=^wc,^wc,^wc"(i1 %b1, i1 %b2)
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}
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int test_wc_i32(int b1, int b2) {
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int o;
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asm("crand %0, %1, %2" : "=wc"(o) : "wc"(b1), "wc"(b2) : );
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return o;
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// CHECK-LABEL: signext i32 @test_wc_i32(i32 signext %b1, i32 signext %b2)
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// CHECK: call i32 asm "crand $0, $1, $2", "=^wc,^wc,^wc"(i32 %b1, i32 %b2)
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}
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unsigned char test_wc_i8(unsigned char b1, unsigned char b2) {
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unsigned char o;
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asm("crand %0, %1, %2" : "=wc"(o) : "wc"(b1), "wc"(b2) : );
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return o;
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// CHECK-LABEL: zeroext i8 @test_wc_i8(i8 zeroext %b1, i8 zeroext %b2)
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// CHECK: call i8 asm "crand $0, $1, $2", "=^wc,^wc,^wc"(i8 %b1, i8 %b2)
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}
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float test_fmaxf(float x, float y) {
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asm("xsmaxdp %x0, %x1, %x2" : "=ww"(x) : "ww"(x), "ww"(y));
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return x;
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// CHECK-LABEL: float @test_fmaxf(float %x, float %y)
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// CHECK: call float asm "xsmaxdp ${0:x}, ${1:x}, ${2:x}", "=^ww,^ww,^ww"(float %x, float %y)
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}
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double test_fmax(double x, double y) {
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asm("xsmaxdp %x0, %x1, %x2" : "=ws"(x) : "ws"(x), "ws"(y));
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return x;
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// CHECK-LABEL: double @test_fmax(double %x, double %y)
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// CHECK: call double asm "xsmaxdp ${0:x}, ${1:x}, ${2:x}", "=^ws,^ws,^ws"(double %x, double %y)
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}
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