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R600/SI: Fix [s|u]int_to_fp for i1

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209971 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
2014-05-31 06:47:42 +00:00
parent 090da8f7e2
commit da5824d073
6 changed files with 146 additions and 29 deletions
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2
lib/Target/R600/AMDGPUInstructions.td
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@@ -252,6 +252,8 @@ int TWO_PI = 0x40c90fdb;
int PI = 0x40490fdb;
int TWO_PI_INV = 0x3e22f983;
int FP_UINT_MAX_PLUS_1 = 0x4f800000; // 1 << 32 in floating point encoding
int FP32_NEG_ONE = 0xbf800000;
int FP32_ONE = 0x3f800000;
}
def CONST : Constants;

20
lib/Target/R600/SIInstructions.td
View File

@@ -2439,6 +2439,26 @@ def : Pat <
(S_MOV_B32 -1), sub1)
>;
def : Pat <
(f32 (sint_to_fp i1:$src)),
(V_CNDMASK_B32_e64 (i32 0), CONST.FP32_NEG_ONE, $src)
>;
def : Pat <
(f32 (uint_to_fp i1:$src)),
(V_CNDMASK_B32_e64 (i32 0), CONST.FP32_ONE, $src)
>;
def : Pat <
(f64 (sint_to_fp i1:$src)),
(V_CVT_F64_I32_e32 (V_CNDMASK_B32_e64 (i32 0), (i32 -1), $src))
>;
def : Pat <
(f64 (uint_to_fp i1:$src)),
(V_CVT_F64_U32_e32 (V_CNDMASK_B32_e64 (i32 0), (i32 1), $src))
>;
//===----------------------------------------------------------------------===//
// Miscellaneous Patterns
//===----------------------------------------------------------------------===//