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223 lines
10 KiB
223 lines
10 KiB
; RUN: llc -march=mips -relocation-model=static -mattr=+soft-float < %s | FileCheck --check-prefixes=ALL,SYM32,O32,O32BE %s
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; RUN: llc -march=mipsel -relocation-model=static -mattr=+soft-float < %s | FileCheck --check-prefixes=ALL,SYM32,O32,O32LE %s
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; RUN-TODO: llc -march=mips64 -relocation-model=static -mattr=+soft-float -target-abi o32 < %s | FileCheck --check-prefixes=ALL,SYM32,O32 %s
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; RUN-TODO: llc -march=mips64el -relocation-model=static -mattr=+soft-float -target-abi o32 < %s | FileCheck --check-prefixes=ALL,SYM32,O32 %s
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; RUN: llc -march=mips64 -relocation-model=static -mattr=+soft-float -target-abi n32 < %s | FileCheck --check-prefixes=ALL,SYM32,NEW %s
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; RUN: llc -march=mips64el -relocation-model=static -mattr=+soft-float -target-abi n32 < %s | FileCheck --check-prefixes=ALL,SYM32,NEW %s
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; RUN: llc -march=mips64 -relocation-model=static -mattr=+soft-float -target-abi n64 < %s | FileCheck --check-prefixes=ALL,SYM64,NEW %s
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; RUN: llc -march=mips64el -relocation-model=static -mattr=+soft-float -target-abi n64 < %s | FileCheck --check-prefixes=ALL,SYM64,NEW %s
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; Test the floating point arguments for all ABI's and byte orders as specified
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; by section 5 of MD00305 (MIPS ABIs Described).
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;
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; N32/N64 are identical in this area so their checks have been combined into
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; the 'NEW' prefix (the N stands for New).
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@bytes = global [11 x i8] zeroinitializer
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@dwords = global [11 x i64] zeroinitializer
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@floats = global [11 x float] zeroinitializer
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@doubles = global [11 x double] zeroinitializer
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define void @double_args(double %a, double %b, double %c, double %d, double %e,
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double %f, double %g, double %h, double %i) nounwind {
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entry:
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%0 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 1
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store volatile double %a, double* %0
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%1 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 2
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store volatile double %b, double* %1
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%2 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 3
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store volatile double %c, double* %2
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%3 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 4
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store volatile double %d, double* %3
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%4 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 5
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store volatile double %e, double* %4
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%5 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 6
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store volatile double %f, double* %5
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%6 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 7
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store volatile double %g, double* %6
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%7 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 8
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store volatile double %h, double* %7
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%8 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 9
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store volatile double %i, double* %8
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ret void
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}
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; ALL-LABEL: double_args:
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; We won't test the way the global address is calculated in this test. This is
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; just to get the register number for the other checks.
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; SYM32-DAG: addiu [[R2:\$[0-9]+]], ${{[0-9]+}}, %lo(doubles)
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; SYM64-DAG: ld [[R2:\$[0-9]]], %got_disp(doubles)(
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; The first four arguments are the same in O32/N32/N64.
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; The first argument is floating point but soft-float is enabled so floating
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; point registers are not used.
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; O32-DAG: sw $4, 8([[R2]])
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; O32-DAG: sw $5, 12([[R2]])
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; NEW-DAG: sd $4, 8([[R2]])
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; O32-DAG: sw $6, 16([[R2]])
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; O32-DAG: sw $7, 20([[R2]])
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; NEW-DAG: sd $5, 16([[R2]])
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; O32 has run out of argument registers and starts using the stack
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; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 24($sp)
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; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 28($sp)
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; O32-DAG: sw [[R3]], 24([[R2]])
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; O32-DAG: sw [[R4]], 28([[R2]])
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; NEW-DAG: sd $6, 24([[R2]])
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; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 32($sp)
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; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 36($sp)
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; O32-DAG: sw [[R3]], 32([[R2]])
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; O32-DAG: sw [[R4]], 36([[R2]])
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; NEW-DAG: sd $7, 32([[R2]])
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; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 40($sp)
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; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 44($sp)
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; O32-DAG: sw [[R3]], 40([[R2]])
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; O32-DAG: sw [[R4]], 44([[R2]])
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; NEW-DAG: sd $8, 40([[R2]])
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; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 48($sp)
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; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 52($sp)
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; O32-DAG: sw [[R3]], 48([[R2]])
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; O32-DAG: sw [[R4]], 52([[R2]])
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; NEW-DAG: sd $9, 48([[R2]])
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; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 56($sp)
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; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 60($sp)
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; O32-DAG: sw [[R3]], 56([[R2]])
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; O32-DAG: sw [[R4]], 60([[R2]])
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; NEW-DAG: sd $10, 56([[R2]])
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; N32/N64 have run out of registers and starts using the stack too
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; O32-DAG: lw [[R3:\$[0-9]+]], 64($sp)
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; O32-DAG: lw [[R4:\$[0-9]+]], 68($sp)
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; O32-DAG: sw [[R3]], 64([[R2]])
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; O32-DAG: sw [[R4]], 68([[R2]])
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; NEW-DAG: ld [[R3:\$[0-9]+]], 0($sp)
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; NEW-DAG: sd $11, 64([[R2]])
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define void @float_args(float %a, float %b, float %c, float %d, float %e,
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float %f, float %g, float %h, float %i, float %j)
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nounwind {
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entry:
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%0 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 1
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store volatile float %a, float* %0
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%1 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 2
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store volatile float %b, float* %1
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%2 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 3
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store volatile float %c, float* %2
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%3 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 4
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store volatile float %d, float* %3
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%4 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 5
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store volatile float %e, float* %4
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%5 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 6
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store volatile float %f, float* %5
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%6 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 7
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store volatile float %g, float* %6
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%7 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 8
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store volatile float %h, float* %7
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%8 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 9
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store volatile float %i, float* %8
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%9 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 10
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store volatile float %j, float* %9
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ret void
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}
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; ALL-LABEL: float_args:
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; We won't test the way the global address is calculated in this test. This is
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; just to get the register number for the other checks.
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; SYM32-DAG: addiu [[R2:\$[0-9]+]], ${{[0-9]+}}, %lo(floats)
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; SYM64-DAG: ld [[R2:\$[0-9]]], %got_disp(floats)(
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; The first four arguments are the same in O32/N32/N64.
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; The first argument is floating point but soft-float is enabled so floating
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; point registers are not used.
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; MD00305 and GCC disagree on this one. MD00305 says that floats are treated
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; as 8-byte aligned and occupy two slots on O32. GCC is treating them as 4-byte
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; aligned and occupying one slot. We'll use GCC's definition.
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; ALL-DAG: sw $4, 4([[R2]])
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; ALL-DAG: sw $5, 8([[R2]])
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; ALL-DAG: sw $6, 12([[R2]])
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; ALL-DAG: sw $7, 16([[R2]])
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; O32 has run out of argument registers and starts using the stack
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; O32-DAG: lw [[R3:\$[0-9]+]], 16($sp)
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; O32-DAG: sw [[R3]], 20([[R2]])
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; NEW-DAG: sw $8, 20([[R2]])
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; O32-DAG: lw [[R3:\$[0-9]+]], 20($sp)
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; O32-DAG: sw [[R3]], 24([[R2]])
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; NEW-DAG: sw $9, 24([[R2]])
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; O32-DAG: lw [[R3:\$[0-9]+]], 24($sp)
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; O32-DAG: sw [[R3]], 28([[R2]])
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; NEW-DAG: sw $10, 28([[R2]])
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; O32-DAG: lw [[R3:\$[0-9]+]], 28($sp)
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; O32-DAG: sw [[R3]], 32([[R2]])
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; NEW-DAG: sw $11, 32([[R2]])
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; N32/N64 have run out of registers and start using the stack too
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; O32-DAG: lw [[R3:\$[0-9]+]], 32($sp)
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; O32-DAG: sw [[R3]], 36([[R2]])
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; NEW-DAG: lw [[R3:\$[0-9]+]], 0($sp)
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; NEW-DAG: sw [[R3]], 36([[R2]])
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define void @double_arg2(i8 %a, double %b) nounwind {
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entry:
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%0 = getelementptr [11 x i8], [11 x i8]* @bytes, i32 0, i32 1
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store volatile i8 %a, i8* %0
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%1 = getelementptr [11 x double], [11 x double]* @doubles, i32 0, i32 1
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store volatile double %b, double* %1
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ret void
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}
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; ALL-LABEL: double_arg2:
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; We won't test the way the global address is calculated in this test. This is
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; just to get the register number for the other checks.
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; SYM32-DAG: addiu [[R1:\$[0-9]+]], ${{[0-9]+}}, %lo(bytes)
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; SYM64-DAG: ld [[R1:\$[0-9]]], %got_disp(bytes)(
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; SYM32-DAG: addiu [[R2:\$[0-9]+]], ${{[0-9]+}}, %lo(doubles)
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; SYM64-DAG: ld [[R2:\$[0-9]]], %got_disp(doubles)(
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; The first four arguments are the same in O32/N32/N64.
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; The first argument isn't floating point so floating point registers are not
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; used.
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; The second slot is insufficiently aligned for double on O32 so it is skipped.
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; Also, double occupies two slots on O32 and only one for N32/N64.
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; ALL-DAG: sb $4, 1([[R1]])
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; O32-DAG: sw $6, 8([[R2]])
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; O32-DAG: sw $7, 12([[R2]])
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; NEW-DAG: sd $5, 8([[R2]])
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define void @float_arg2(i8 signext %a, float %b) nounwind {
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entry:
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%0 = getelementptr [11 x i8], [11 x i8]* @bytes, i32 0, i32 1
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store volatile i8 %a, i8* %0
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%1 = getelementptr [11 x float], [11 x float]* @floats, i32 0, i32 1
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store volatile float %b, float* %1
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ret void
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}
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; ALL-LABEL: float_arg2:
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; We won't test the way the global address is calculated in this test. This is
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; just to get the register number for the other checks.
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; SYM32-DAG: addiu [[R1:\$[0-9]+]], ${{[0-9]+}}, %lo(bytes)
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; SYM64-DAG: ld [[R1:\$[0-9]]], %got_disp(bytes)(
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; SYM32-DAG: addiu [[R2:\$[0-9]+]], ${{[0-9]+}}, %lo(floats)
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; SYM64-DAG: ld [[R2:\$[0-9]]], %got_disp(floats)(
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; The first four arguments are the same in O32/N32/N64.
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; The first argument isn't floating point so floating point registers are not
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; used.
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; MD00305 and GCC disagree on this one. MD00305 says that floats are treated
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; as 8-byte aligned and occupy two slots on O32. GCC is treating them as 4-byte
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; aligned and occupying one slot. We'll use GCC's definition.
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; ALL-DAG: sb $4, 1([[R1]])
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; ALL-DAG: sw $5, 4([[R2]])
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